204478890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 256

約数和(自身を含む): 668860416

約数和(自身を除く): 464381526

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 17, 21, 22, 30, 33, 34, 35, 41, 42, 51, 55, 66, 70, 77, 82, 85, 102, 105, 110, 119, 123, 127, 154, 165, 170, 187, 205, 210, 231, 238, 246, 254, 255, 287, 330, 357, 374, 381, 385, 410, 451, 462, 510, 561, 574, 595, 615, 635, 697, 714, 762, 770, 861, 889, 902, 935, 1122, 1155, 1190, 1230, 1270, 1309, 1353, 1394, 1397, 1435, 1722, 1778, 1785, 1870, 1905, 2091, 2159, 2255, 2310, 2618, 2667, 2706, 2794, 2805, 2870, 3157, 3485, 3570, 3810, 3927, 4182, 4191, 4305, 4318, 4445, 4510, 4879, 5207, 5334, 5610, 6314, 6477, 6545, 6765, 6970, 6985, 7667, 7854, 8382, 8610, 8890, 9471, 9758, 9779, 10414, 10455, 10795, 12954, 13090, 13335, 13530, 13970, 14637, 15113, 15334, 15621, 15785, 18942, 19558, 19635, 20910, 20955, 21590, 23001, 23749, 24395, 26035, 26670, 29274, 29337, 30226, 31242, 31570, 32385, 36449, 38335, 39270, 41910, 45339, 46002, 47355, 47498, 48790, 48895, 52070, 53669, 57277, 58674, 64770, 71247, 72898, 73185, 75565, 76670, 78105, 88519, 90678, 94710, 97790, 107338, 109347, 114554, 115005, 118745, 142494, 146370, 146685, 151130, 156210, 161007, 166243, 171831, 177038, 182245, 218694, 226695, 230010, 237490, 265557, 268345, 286385, 293370, 322014, 332486, 343662, 356235, 364490, 400939, 442595, 453390, 498729, 531114, 536690, 546735, 572770, 619633, 712470, 801878, 805035, 831215, 859155, 885190, 973709, 997458, 1093470, 1202817, 1239266, 1327785, 1610070, 1662430, 1718310, 1858899, 1947418, 2004695, 2405634, 2493645, 2655570, 2921127, 3098165, 3717798, 4009390, 4868545, 4987290, 5842254, 6014085, 6196330, 6815963, 9294495, 9737090, 12028170, 13631926, 14605635, 18588990, 20447889, 29211270, 34079815, 40895778, 68159630, 102239445, 204478890]

約数ペア:

[(1, 204478890), (2, 102239445), (3, 68159630), (5, 40895778), (6, 34079815), (7, 29211270), (10, 20447889), (11, 18588990), (14, 14605635), (15, 13631926), (17, 12028170), (21, 9737090), (22, 9294495), (30, 6815963), (33, 6196330), (34, 6014085), (35, 5842254), (41, 4987290), (42, 4868545), (51, 4009390), (55, 3717798), (66, 3098165), (70, 2921127), (77, 2655570), (82, 2493645), (85, 2405634), (102, 2004695), (105, 1947418), (110, 1858899), (119, 1718310), (123, 1662430), (127, 1610070), (154, 1327785), (165, 1239266), (170, 1202817), (187, 1093470), (205, 997458), (210, 973709), (231, 885190), (238, 859155), (246, 831215), (254, 805035), (255, 801878), (287, 712470), (330, 619633), (357, 572770), (374, 546735), (381, 536690), (385, 531114), (410, 498729), (451, 453390), (462, 442595), (510, 400939), (561, 364490), (574, 356235), (595, 343662), (615, 332486), (635, 322014), (697, 293370), (714, 286385), (762, 268345), (770, 265557), (861, 237490), (889, 230010), (902, 226695), (935, 218694), (1122, 182245), (1155, 177038), (1190, 171831), (1230, 166243), (1270, 161007), (1309, 156210), (1353, 151130), (1394, 146685), (1397, 146370), (1435, 142494), (1722, 118745), (1778, 115005), (1785, 114554), (1870, 109347), (1905, 107338), (2091, 97790), (2159, 94710), (2255, 90678), (2310, 88519), (2618, 78105), (2667, 76670), (2706, 75565), (2794, 73185), (2805, 72898), (2870, 71247), (3157, 64770), (3485, 58674), (3570, 57277), (3810, 53669), (3927, 52070), (4182, 48895), (4191, 48790), (4305, 47498), (4318, 47355), (4445, 46002), (4510, 45339), (4879, 41910), (5207, 39270), (5334, 38335), (5610, 36449), (6314, 32385), (6477, 31570), (6545, 31242), (6765, 30226), (6970, 29337), (6985, 29274), (7667, 26670), (7854, 26035), (8382, 24395), (8610, 23749), (8890, 23001), (9471, 21590), (9758, 20955), (9779, 20910), (10414, 19635), (10455, 19558), (10795, 18942), (12954, 15785), (13090, 15621), (13335, 15334), (13530, 15113), (13970, 14637)]