578004920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{2969}}^1$

素因数の和:3168

約数の個数: 64

約数和(自身を含む): 1351468800

約数和(自身を除く): 773463880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 157, 248, 310, 314, 620, 628, 785, 1240, 1256, 1570, 2969, 3140, 4867, 5938, 6280, 9734, 11876, 14845, 19468, 23752, 24335, 29690, 38936, 48670, 59380, 92039, 97340, 118760, 184078, 194680, 368156, 460195, 466133, 736312, 920390, 932266, 1840780, 1864532, 2330665, 3681560, 3729064, 4661330, 9322660, 14450123, 18645320, 28900246, 57800492, 72250615, 115600984, 144501230, 289002460, 578004920]

約数ペア:

[(1, 578004920), (2, 289002460), (4, 144501230), (5, 115600984), (8, 72250615), (10, 57800492), (20, 28900246), (31, 18645320), (40, 14450123), (62, 9322660), (124, 4661330), (155, 3729064), (157, 3681560), (248, 2330665), (310, 1864532), (314, 1840780), (620, 932266), (628, 920390), (785, 736312), (1240, 466133), (1256, 460195), (1570, 368156), (2969, 194680), (3140, 184078), (4867, 118760), (5938, 97340), (6280, 92039), (9734, 59380), (11876, 48670), (14845, 38936), (19468, 29690), (23752, 24335)]