901234345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 1300147200

約数和(自身を除く): 398912855

約数列:

[1, 5, 11, 17, 37, 55, 85, 109, 185, 187, 239, 407, 545, 629, 935, 1195, 1199, 1853, 2035, 2629, 3145, 4033, 4063, 5995, 6919, 8843, 9265, 13145, 20165, 20315, 20383, 26051, 34595, 44215, 44363, 44693, 68561, 97273, 101915, 130255, 150331, 221815, 223465, 286561, 342805, 442867, 486365, 751655, 754171, 963887, 1432805, 1653641, 2214335, 3770855, 4819435, 4871537, 8268205, 10602757, 16386079, 24357685, 53013785, 81930395, 180246869, 901234345]

約数ペア:

[(1, 901234345), (5, 180246869), (11, 81930395), (17, 53013785), (37, 24357685), (55, 16386079), (85, 10602757), (109, 8268205), (185, 4871537), (187, 4819435), (239, 3770855), (407, 2214335), (545, 1653641), (629, 1432805), (935, 963887), (1195, 754171), (1199, 751655), (1853, 486365), (2035, 442867), (2629, 342805), (3145, 286561), (4033, 223465), (4063, 221815), (5995, 150331), (6919, 130255), (8843, 101915), (9265, 97273), (13145, 68561), (20165, 44693), (20315, 44363), (20383, 44215), (26051, 34595)]