347820980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{587}}^1$

素因数の和:705

約数の個数: 96

約数和(自身を含む): 821487744

約数和(自身を除く): 473666764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 53, 65, 86, 106, 130, 172, 212, 215, 260, 265, 430, 530, 559, 587, 689, 860, 1060, 1118, 1174, 1378, 2236, 2279, 2348, 2756, 2795, 2935, 3445, 4558, 5590, 5870, 6890, 7631, 9116, 11180, 11395, 11740, 13780, 15262, 22790, 25241, 29627, 30524, 31111, 38155, 45580, 50482, 59254, 62222, 76310, 100964, 118508, 124444, 126205, 148135, 152620, 155555, 252410, 296270, 311110, 328133, 404443, 504820, 592540, 622220, 656266, 808886, 1312532, 1337773, 1617772, 1640665, 2022215, 2675546, 3281330, 4044430, 5351092, 6562660, 6688865, 8088860, 13377730, 17391049, 26755460, 34782098, 69564196, 86955245, 173910490, 347820980]

約数ペア:

[(1, 347820980), (2, 173910490), (4, 86955245), (5, 69564196), (10, 34782098), (13, 26755460), (20, 17391049), (26, 13377730), (43, 8088860), (52, 6688865), (53, 6562660), (65, 5351092), (86, 4044430), (106, 3281330), (130, 2675546), (172, 2022215), (212, 1640665), (215, 1617772), (260, 1337773), (265, 1312532), (430, 808886), (530, 656266), (559, 622220), (587, 592540), (689, 504820), (860, 404443), (1060, 328133), (1118, 311110), (1174, 296270), (1378, 252410), (2236, 155555), (2279, 152620), (2348, 148135), (2756, 126205), (2795, 124444), (2935, 118508), (3445, 100964), (4558, 76310), (5590, 62222), (5870, 59254), (6890, 50482), (7631, 45580), (9116, 38155), (11180, 31111), (11395, 30524), (11740, 29627), (13780, 25241), (15262, 22790)]