70686980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38839}}^1$

素因数の和:38868

約数の個数: 48

約数和(自身を含む): 182703360

約数和(自身を除く): 112016380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 38839, 77678, 155356, 194195, 271873, 388390, 504907, 543746, 776780, 1009814, 1087492, 1359365, 2019628, 2524535, 2718730, 3534349, 5049070, 5437460, 7068698, 10098140, 14137396, 17671745, 35343490, 70686980]

約数ペア:

[(1, 70686980), (2, 35343490), (4, 17671745), (5, 14137396), (7, 10098140), (10, 7068698), (13, 5437460), (14, 5049070), (20, 3534349), (26, 2718730), (28, 2524535), (35, 2019628), (52, 1359365), (65, 1087492), (70, 1009814), (91, 776780), (130, 543746), (140, 504907), (182, 388390), (260, 271873), (364, 194195), (455, 155356), (910, 77678), (1820, 38839)]