71221570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1427}}^1$

素因数の和:1495

約数の個数: 64

約数和(自身を含む): 157925376

約数和(自身を除く): 86703806

約数列:

[1, 2, 5, 7, 10, 14, 23, 31, 35, 46, 62, 70, 115, 155, 161, 217, 230, 310, 322, 434, 713, 805, 1085, 1426, 1427, 1610, 2170, 2854, 3565, 4991, 7130, 7135, 9982, 9989, 14270, 19978, 24955, 32821, 44237, 49910, 49945, 65642, 88474, 99890, 164105, 221185, 229747, 309659, 328210, 442370, 459494, 619318, 1017451, 1148735, 1548295, 2034902, 2297470, 3096590, 5087255, 7122157, 10174510, 14244314, 35610785, 71221570]

約数ペア:

[(1, 71221570), (2, 35610785), (5, 14244314), (7, 10174510), (10, 7122157), (14, 5087255), (23, 3096590), (31, 2297470), (35, 2034902), (46, 1548295), (62, 1148735), (70, 1017451), (115, 619318), (155, 459494), (161, 442370), (217, 328210), (230, 309659), (310, 229747), (322, 221185), (434, 164105), (713, 99890), (805, 88474), (1085, 65642), (1426, 49945), (1427, 49910), (1610, 44237), (2170, 32821), (2854, 24955), (3565, 19978), (4991, 14270), (7130, 9989), (7135, 9982)]