974864440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71471}}^1$

素因数の和:71524

約数の個数: 64

約数和(自身を含む): 2470072320

約数和(自身を除く): 1495207880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 71471, 142942, 285884, 357355, 571768, 714710, 786181, 1429420, 1572362, 2215601, 2858840, 3144724, 3930905, 4431202, 6289448, 7861810, 8862404, 11078005, 15723620, 17724808, 22156010, 24371611, 31447240, 44312020, 48743222, 88624040, 97486444, 121858055, 194972888, 243716110, 487432220, 974864440]

約数ペア:

[(1, 974864440), (2, 487432220), (4, 243716110), (5, 194972888), (8, 121858055), (10, 97486444), (11, 88624040), (20, 48743222), (22, 44312020), (31, 31447240), (40, 24371611), (44, 22156010), (55, 17724808), (62, 15723620), (88, 11078005), (110, 8862404), (124, 7861810), (155, 6289448), (220, 4431202), (248, 3930905), (310, 3144724), (341, 2858840), (440, 2215601), (620, 1572362), (682, 1429420), (1240, 786181), (1364, 714710), (1705, 571768), (2728, 357355), (3410, 285884), (6820, 142942), (13640, 71471)]