260778820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{7129}}^1$

素因数の和:7228

約数の個数: 48

約数和(自身を含む): 574963200

約数和(自身を除く): 314184380

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 236, 295, 310, 590, 620, 1180, 1829, 3658, 7129, 7316, 9145, 14258, 18290, 28516, 35645, 36580, 71290, 142580, 220999, 420611, 441998, 841222, 883996, 1104995, 1682444, 2103055, 2209990, 4206110, 4419980, 8412220, 13038941, 26077882, 52155764, 65194705, 130389410, 260778820]

約数ペア:

[(1, 260778820), (2, 130389410), (4, 65194705), (5, 52155764), (10, 26077882), (20, 13038941), (31, 8412220), (59, 4419980), (62, 4206110), (118, 2209990), (124, 2103055), (155, 1682444), (236, 1104995), (295, 883996), (310, 841222), (590, 441998), (620, 420611), (1180, 220999), (1829, 142580), (3658, 71290), (7129, 36580), (7316, 35645), (9145, 28516), (14258, 18290)]