70321240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2251}}^1$

素因数の和:2344

約数の個数: 64

約数和(自身を含む): 175115520

約数和(自身を除く): 104794280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 2251, 2840, 3124, 3905, 4502, 6248, 7810, 9004, 11255, 15620, 18008, 22510, 24761, 31240, 45020, 49522, 90040, 99044, 123805, 159821, 198088, 247610, 319642, 495220, 639284, 799105, 990440, 1278568, 1598210, 1758031, 3196420, 3516062, 6392840, 7032124, 8790155, 14064248, 17580310, 35160620, 70321240]

約数ペア:

[(1, 70321240), (2, 35160620), (4, 17580310), (5, 14064248), (8, 8790155), (10, 7032124), (11, 6392840), (20, 3516062), (22, 3196420), (40, 1758031), (44, 1598210), (55, 1278568), (71, 990440), (88, 799105), (110, 639284), (142, 495220), (220, 319642), (284, 247610), (355, 198088), (440, 159821), (568, 123805), (710, 99044), (781, 90040), (1420, 49522), (1562, 45020), (2251, 31240), (2840, 24761), (3124, 22510), (3905, 18008), (4502, 15620), (6248, 11255), (7810, 9004)]