784698980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{4783}}^1$

素因数の和:5436

約数の個数: 48

約数和(自身を含む): 1777810944

約数和(自身を除く): 993111964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 631, 1262, 2524, 3155, 4783, 6310, 8203, 9566, 12620, 16406, 19132, 23915, 32812, 41015, 47830, 62179, 82030, 95660, 124358, 164060, 248716, 310895, 621790, 1243580, 3018073, 6036146, 12072292, 15090365, 30180730, 39234949, 60361460, 78469898, 156939796, 196174745, 392349490, 784698980]

約数ペア:

[(1, 784698980), (2, 392349490), (4, 196174745), (5, 156939796), (10, 78469898), (13, 60361460), (20, 39234949), (26, 30180730), (52, 15090365), (65, 12072292), (130, 6036146), (260, 3018073), (631, 1243580), (1262, 621790), (2524, 310895), (3155, 248716), (4783, 164060), (6310, 124358), (8203, 95660), (9566, 82030), (12620, 62179), (16406, 47830), (19132, 41015), (23915, 32812)]