39895830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 144

約数和(自身を含む): 116818416

約数和(自身を除く): 76922586

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 43, 45, 61, 65, 78, 86, 90, 117, 122, 129, 130, 169, 183, 195, 215, 234, 258, 305, 338, 366, 387, 390, 430, 507, 549, 559, 585, 610, 645, 774, 793, 845, 915, 1014, 1098, 1118, 1170, 1290, 1521, 1586, 1677, 1690, 1830, 1935, 2379, 2535, 2623, 2745, 2795, 3042, 3354, 3870, 3965, 4758, 5031, 5070, 5246, 5490, 5590, 7137, 7267, 7605, 7869, 7930, 8385, 10062, 10309, 11895, 13115, 14274, 14534, 15210, 15738, 16770, 20618, 21801, 23607, 23790, 25155, 26230, 30927, 34099, 35685, 36335, 39345, 43602, 47214, 50310, 51545, 61854, 65403, 68198, 71370, 72670, 78690, 92781, 102297, 103090, 109005, 118035, 130806, 154635, 170495, 185562, 204594, 218010, 236070, 306891, 309270, 327015, 340990, 443287, 463905, 511485, 613782, 654030, 886574, 927810, 1022970, 1329861, 1534455, 2216435, 2659722, 3068910, 3989583, 4432870, 6649305, 7979166, 13298610, 19947915, 39895830]

約数ペア:

[(1, 39895830), (2, 19947915), (3, 13298610), (5, 7979166), (6, 6649305), (9, 4432870), (10, 3989583), (13, 3068910), (15, 2659722), (18, 2216435), (26, 1534455), (30, 1329861), (39, 1022970), (43, 927810), (45, 886574), (61, 654030), (65, 613782), (78, 511485), (86, 463905), (90, 443287), (117, 340990), (122, 327015), (129, 309270), (130, 306891), (169, 236070), (183, 218010), (195, 204594), (215, 185562), (234, 170495), (258, 154635), (305, 130806), (338, 118035), (366, 109005), (387, 103090), (390, 102297), (430, 92781), (507, 78690), (549, 72670), (559, 71370), (585, 68198), (610, 65403), (645, 61854), (774, 51545), (793, 50310), (845, 47214), (915, 43602), (1014, 39345), (1098, 36335), (1118, 35685), (1170, 34099), (1290, 30927), (1521, 26230), (1586, 25155), (1677, 23790), (1690, 23607), (1830, 21801), (1935, 20618), (2379, 16770), (2535, 15738), (2623, 15210), (2745, 14534), (2795, 14274), (3042, 13115), (3354, 11895), (3870, 10309), (3965, 10062), (4758, 8385), (5031, 7930), (5070, 7869), (5246, 7605), (5490, 7267), (5590, 7137)]