389614760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{8689}}^1$

素因数の和:8778

約数の個数: 64

約数和(自身を含む): 938520000

約数和(自身を除く): 548905240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 190, 236, 295, 380, 472, 590, 760, 1121, 1180, 2242, 2360, 4484, 5605, 8689, 8968, 11210, 17378, 22420, 34756, 43445, 44840, 69512, 86890, 165091, 173780, 330182, 347560, 512651, 660364, 825455, 1025302, 1320728, 1650910, 2050604, 2563255, 3301820, 4101208, 5126510, 6603640, 9740369, 10253020, 19480738, 20506040, 38961476, 48701845, 77922952, 97403690, 194807380, 389614760]

約数ペア:

[(1, 389614760), (2, 194807380), (4, 97403690), (5, 77922952), (8, 48701845), (10, 38961476), (19, 20506040), (20, 19480738), (38, 10253020), (40, 9740369), (59, 6603640), (76, 5126510), (95, 4101208), (118, 3301820), (152, 2563255), (190, 2050604), (236, 1650910), (295, 1320728), (380, 1025302), (472, 825455), (590, 660364), (760, 512651), (1121, 347560), (1180, 330182), (2242, 173780), (2360, 165091), (4484, 86890), (5605, 69512), (8689, 44840), (8968, 43445), (11210, 34756), (17378, 22420)]