1253399080

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1\times {\mathrm{1531}}^1$

素因数の和:1850

約数の個数: 64

約数和(自身を含む): 2864594880

約数和(自身を除く): 1611195800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 211, 388, 422, 485, 776, 844, 970, 1055, 1531, 1688, 1940, 2110, 3062, 3880, 4220, 6124, 7655, 8440, 12248, 15310, 20467, 30620, 40934, 61240, 81868, 102335, 148507, 163736, 204670, 297014, 323041, 409340, 594028, 646082, 742535, 818680, 1188056, 1292164, 1485070, 1615205, 2584328, 2970140, 3230410, 5940280, 6460820, 12921640, 31334977, 62669954, 125339908, 156674885, 250679816, 313349770, 626699540, 1253399080]

約数ペア:

[(1, 1253399080), (2, 626699540), (4, 313349770), (5, 250679816), (8, 156674885), (10, 125339908), (20, 62669954), (40, 31334977), (97, 12921640), (194, 6460820), (211, 5940280), (388, 3230410), (422, 2970140), (485, 2584328), (776, 1615205), (844, 1485070), (970, 1292164), (1055, 1188056), (1531, 818680), (1688, 742535), (1940, 646082), (2110, 594028), (3062, 409340), (3880, 323041), (4220, 297014), (6124, 204670), (7655, 163736), (8440, 148507), (12248, 102335), (15310, 81868), (20467, 61240), (30620, 40934)]