28395780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:174

約数の個数: 192

約数和(自身を含む): 99574272

約数和(自身を除く): 71178492

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 41, 42, 51, 60, 68, 70, 82, 84, 85, 97, 102, 105, 119, 123, 140, 164, 170, 194, 204, 205, 210, 238, 246, 255, 287, 291, 340, 357, 388, 410, 420, 476, 485, 492, 510, 574, 582, 595, 615, 679, 697, 714, 820, 861, 970, 1020, 1148, 1164, 1190, 1230, 1358, 1394, 1428, 1435, 1455, 1649, 1722, 1785, 1940, 2037, 2091, 2380, 2460, 2716, 2788, 2870, 2910, 3298, 3395, 3444, 3485, 3570, 3977, 4074, 4182, 4305, 4879, 4947, 5740, 5820, 6596, 6790, 6970, 7140, 7954, 8148, 8245, 8364, 8610, 9758, 9894, 10185, 10455, 11543, 11931, 13580, 13940, 14637, 15908, 16490, 17220, 19516, 19788, 19885, 20370, 20910, 23086, 23862, 24395, 24735, 27839, 29274, 32980, 34629, 39770, 40740, 41820, 46172, 47724, 48790, 49470, 55678, 57715, 58548, 59655, 67609, 69258, 73185, 79540, 83517, 97580, 98940, 111356, 115430, 119310, 135218, 138516, 139195, 146370, 167034, 173145, 202827, 230860, 238620, 270436, 278390, 292740, 334068, 338045, 346290, 405654, 417585, 473263, 556780, 676090, 692580, 811308, 835170, 946526, 1014135, 1352180, 1419789, 1670340, 1893052, 2028270, 2366315, 2839578, 4056540, 4732630, 5679156, 7098945, 9465260, 14197890, 28395780]

約数ペア:

[(1, 28395780), (2, 14197890), (3, 9465260), (4, 7098945), (5, 5679156), (6, 4732630), (7, 4056540), (10, 2839578), (12, 2366315), (14, 2028270), (15, 1893052), (17, 1670340), (20, 1419789), (21, 1352180), (28, 1014135), (30, 946526), (34, 835170), (35, 811308), (41, 692580), (42, 676090), (51, 556780), (60, 473263), (68, 417585), (70, 405654), (82, 346290), (84, 338045), (85, 334068), (97, 292740), (102, 278390), (105, 270436), (119, 238620), (123, 230860), (140, 202827), (164, 173145), (170, 167034), (194, 146370), (204, 139195), (205, 138516), (210, 135218), (238, 119310), (246, 115430), (255, 111356), (287, 98940), (291, 97580), (340, 83517), (357, 79540), (388, 73185), (410, 69258), (420, 67609), (476, 59655), (485, 58548), (492, 57715), (510, 55678), (574, 49470), (582, 48790), (595, 47724), (615, 46172), (679, 41820), (697, 40740), (714, 39770), (820, 34629), (861, 32980), (970, 29274), (1020, 27839), (1148, 24735), (1164, 24395), (1190, 23862), (1230, 23086), (1358, 20910), (1394, 20370), (1428, 19885), (1435, 19788), (1455, 19516), (1649, 17220), (1722, 16490), (1785, 15908), (1940, 14637), (2037, 13940), (2091, 13580), (2380, 11931), (2460, 11543), (2716, 10455), (2788, 10185), (2870, 9894), (2910, 9758), (3298, 8610), (3395, 8364), (3444, 8245), (3485, 8148), (3570, 7954), (3977, 7140), (4074, 6970), (4182, 6790), (4305, 6596), (4879, 5820), (4947, 5740)]