919934900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{631}}^1$

素因数の和:945

約数の個数: 72

約数和(自身を含む): 2040702720

約数和(自身を除く): 1120767820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 239, 244, 305, 478, 610, 631, 956, 1195, 1220, 1262, 1525, 2390, 2524, 3050, 3155, 4780, 5975, 6100, 6310, 11950, 12620, 14579, 15775, 23900, 29158, 31550, 38491, 58316, 63100, 72895, 76982, 145790, 150809, 153964, 192455, 291580, 301618, 364475, 384910, 603236, 728950, 754045, 769820, 962275, 1457900, 1508090, 1924550, 3016180, 3770225, 3849100, 7540450, 9199349, 15080900, 18398698, 36797396, 45996745, 91993490, 183986980, 229983725, 459967450, 919934900]

約数ペア:

[(1, 919934900), (2, 459967450), (4, 229983725), (5, 183986980), (10, 91993490), (20, 45996745), (25, 36797396), (50, 18398698), (61, 15080900), (100, 9199349), (122, 7540450), (239, 3849100), (244, 3770225), (305, 3016180), (478, 1924550), (610, 1508090), (631, 1457900), (956, 962275), (1195, 769820), (1220, 754045), (1262, 728950), (1525, 603236), (2390, 384910), (2524, 364475), (3050, 301618), (3155, 291580), (4780, 192455), (5975, 153964), (6100, 150809), (6310, 145790), (11950, 76982), (12620, 72895), (14579, 63100), (15775, 58316), (23900, 38491), (29158, 31550)]