2461400

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 5922240

約数和(自身を除く): 3460840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 397, 620, 775, 794, 1240, 1550, 1588, 1985, 3100, 3176, 3970, 6200, 7940, 9925, 12307, 15880, 19850, 24614, 39700, 49228, 61535, 79400, 98456, 123070, 246140, 307675, 492280, 615350, 1230700, 2461400]

約数ペア:

[(1, 2461400), (2, 1230700), (4, 615350), (5, 492280), (8, 307675), (10, 246140), (20, 123070), (25, 98456), (31, 79400), (40, 61535), (50, 49228), (62, 39700), (100, 24614), (124, 19850), (155, 15880), (200, 12307), (248, 9925), (310, 7940), (397, 6200), (620, 3970), (775, 3176), (794, 3100), (1240, 1985), (1550, 1588)]