1309750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:74

約数の個数: 48

約数和(自身を含む): 2740608

約数和(自身を除く): 1430858

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 125, 130, 155, 169, 250, 310, 325, 338, 403, 650, 775, 806, 845, 1550, 1625, 1690, 2015, 3250, 3875, 4030, 4225, 5239, 7750, 8450, 10075, 10478, 20150, 21125, 26195, 42250, 50375, 52390, 100750, 130975, 261950, 654875, 1309750]

約数ペア:

[(1, 1309750), (2, 654875), (5, 261950), (10, 130975), (13, 100750), (25, 52390), (26, 50375), (31, 42250), (50, 26195), (62, 21125), (65, 20150), (125, 10478), (130, 10075), (155, 8450), (169, 7750), (250, 5239), (310, 4225), (325, 4030), (338, 3875), (403, 3250), (650, 2015), (775, 1690), (806, 1625), (845, 1550)]