204804990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:168

約数の個数: 256

約数和(自身を含む): 643507200

約数和(自身を除く): 438702210

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 27, 30, 37, 38, 39, 45, 54, 57, 65, 74, 78, 83, 90, 95, 111, 114, 117, 130, 135, 166, 171, 185, 190, 195, 222, 234, 247, 249, 270, 285, 333, 342, 351, 370, 390, 415, 481, 494, 498, 513, 555, 570, 585, 666, 702, 703, 741, 747, 830, 855, 962, 999, 1026, 1079, 1110, 1170, 1235, 1245, 1406, 1443, 1482, 1494, 1577, 1665, 1710, 1755, 1998, 2109, 2158, 2223, 2241, 2405, 2470, 2490, 2565, 2886, 3071, 3154, 3237, 3330, 3510, 3515, 3705, 3735, 4218, 4329, 4446, 4482, 4731, 4810, 4995, 5130, 5395, 6142, 6327, 6474, 6669, 7030, 7215, 7410, 7470, 7885, 8658, 9139, 9213, 9462, 9711, 9990, 10545, 10790, 11115, 11205, 12654, 12987, 13338, 14193, 14430, 15355, 15770, 16185, 18278, 18426, 18981, 19422, 20501, 21090, 21645, 22230, 22410, 23655, 25974, 27417, 27639, 28386, 29133, 30710, 31635, 32370, 33345, 37962, 39923, 41002, 42579, 43290, 45695, 46065, 47310, 48555, 54834, 55278, 58266, 58349, 61503, 63270, 64935, 66690, 70965, 79846, 82251, 82917, 85158, 91390, 92130, 94905, 97110, 102505, 116698, 119769, 123006, 129870, 137085, 138195, 141930, 145665, 164502, 165834, 175047, 184509, 189810, 199615, 205010, 212895, 239538, 246753, 274170, 276390, 291330, 291745, 307515, 350094, 359307, 369018, 399230, 411255, 414585, 425790, 493506, 525141, 553527, 583490, 598845, 615030, 718614, 758537, 822510, 829170, 875235, 922545, 1050282, 1077921, 1107054, 1197690, 1233765, 1517074, 1575423, 1750470, 1796535, 1845090, 2155842, 2275611, 2467530, 2625705, 2767635, 3150846, 3593070, 3792685, 4551222, 5251410, 5389605, 5535270, 6826833, 7585370, 7877115, 10779210, 11378055, 13653666, 15754230, 20480499, 22756110, 34134165, 40960998, 68268330, 102402495, 204804990]

約数ペア:

[(1, 204804990), (2, 102402495), (3, 68268330), (5, 40960998), (6, 34134165), (9, 22756110), (10, 20480499), (13, 15754230), (15, 13653666), (18, 11378055), (19, 10779210), (26, 7877115), (27, 7585370), (30, 6826833), (37, 5535270), (38, 5389605), (39, 5251410), (45, 4551222), (54, 3792685), (57, 3593070), (65, 3150846), (74, 2767635), (78, 2625705), (83, 2467530), (90, 2275611), (95, 2155842), (111, 1845090), (114, 1796535), (117, 1750470), (130, 1575423), (135, 1517074), (166, 1233765), (171, 1197690), (185, 1107054), (190, 1077921), (195, 1050282), (222, 922545), (234, 875235), (247, 829170), (249, 822510), (270, 758537), (285, 718614), (333, 615030), (342, 598845), (351, 583490), (370, 553527), (390, 525141), (415, 493506), (481, 425790), (494, 414585), (498, 411255), (513, 399230), (555, 369018), (570, 359307), (585, 350094), (666, 307515), (702, 291745), (703, 291330), (741, 276390), (747, 274170), (830, 246753), (855, 239538), (962, 212895), (999, 205010), (1026, 199615), (1079, 189810), (1110, 184509), (1170, 175047), (1235, 165834), (1245, 164502), (1406, 145665), (1443, 141930), (1482, 138195), (1494, 137085), (1577, 129870), (1665, 123006), (1710, 119769), (1755, 116698), (1998, 102505), (2109, 97110), (2158, 94905), (2223, 92130), (2241, 91390), (2405, 85158), (2470, 82917), (2490, 82251), (2565, 79846), (2886, 70965), (3071, 66690), (3154, 64935), (3237, 63270), (3330, 61503), (3510, 58349), (3515, 58266), (3705, 55278), (3735, 54834), (4218, 48555), (4329, 47310), (4446, 46065), (4482, 45695), (4731, 43290), (4810, 42579), (4995, 41002), (5130, 39923), (5395, 37962), (6142, 33345), (6327, 32370), (6474, 31635), (6669, 30710), (7030, 29133), (7215, 28386), (7410, 27639), (7470, 27417), (7885, 25974), (8658, 23655), (9139, 22410), (9213, 22230), (9462, 21645), (9711, 21090), (9990, 20501), (10545, 19422), (10790, 18981), (11115, 18426), (11205, 18278), (12654, 16185), (12987, 15770), (13338, 15355), (14193, 14430)]