3981250

素因数分解:

$2^1\times 5^5\times 7^2\times {\mathrm{13}}^1$

素因数の和:54

約数の個数: 72

約数和(自身を含む): 9350964

約数和(自身を除く): 5369714

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 49, 50, 65, 70, 91, 98, 125, 130, 175, 182, 245, 250, 325, 350, 455, 490, 625, 637, 650, 875, 910, 1225, 1250, 1274, 1625, 1750, 2275, 2450, 3125, 3185, 3250, 4375, 4550, 6125, 6250, 6370, 8125, 8750, 11375, 12250, 15925, 16250, 21875, 22750, 30625, 31850, 40625, 43750, 56875, 61250, 79625, 81250, 113750, 153125, 159250, 284375, 306250, 398125, 568750, 796250, 1990625, 3981250]

約数ペア:

[(1, 3981250), (2, 1990625), (5, 796250), (7, 568750), (10, 398125), (13, 306250), (14, 284375), (25, 159250), (26, 153125), (35, 113750), (49, 81250), (50, 79625), (65, 61250), (70, 56875), (91, 43750), (98, 40625), (125, 31850), (130, 30625), (175, 22750), (182, 21875), (245, 16250), (250, 15925), (325, 12250), (350, 11375), (455, 8750), (490, 8125), (625, 6370), (637, 6250), (650, 6125), (875, 4550), (910, 4375), (1225, 3250), (1250, 3185), (1274, 3125), (1625, 2450), (1750, 2275)]