398710000

素因数分解:

$2^4\times 5^4\times {\mathrm{13}}^1\times {\mathrm{3067}}^1$

素因数の和:3108

約数の個数: 100

約数和(自身を含む): 1039910872

約数和(自身を除く): 641200872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 325, 400, 500, 520, 625, 650, 1000, 1040, 1250, 1300, 1625, 2000, 2500, 2600, 3067, 3250, 5000, 5200, 6134, 6500, 8125, 10000, 12268, 13000, 15335, 16250, 24536, 26000, 30670, 32500, 39871, 49072, 61340, 65000, 76675, 79742, 122680, 130000, 153350, 159484, 199355, 245360, 306700, 318968, 383375, 398710, 613400, 637936, 766750, 797420, 996775, 1226800, 1533500, 1594840, 1916875, 1993550, 3067000, 3189680, 3833750, 3987100, 4983875, 6134000, 7667500, 7974200, 9967750, 15335000, 15948400, 19935500, 24919375, 30670000, 39871000, 49838750, 79742000, 99677500, 199355000, 398710000]

約数ペア:

[(1, 398710000), (2, 199355000), (4, 99677500), (5, 79742000), (8, 49838750), (10, 39871000), (13, 30670000), (16, 24919375), (20, 19935500), (25, 15948400), (26, 15335000), (40, 9967750), (50, 7974200), (52, 7667500), (65, 6134000), (80, 4983875), (100, 3987100), (104, 3833750), (125, 3189680), (130, 3067000), (200, 1993550), (208, 1916875), (250, 1594840), (260, 1533500), (325, 1226800), (400, 996775), (500, 797420), (520, 766750), (625, 637936), (650, 613400), (1000, 398710), (1040, 383375), (1250, 318968), (1300, 306700), (1625, 245360), (2000, 199355), (2500, 159484), (2600, 153350), (3067, 130000), (3250, 122680), (5000, 79742), (5200, 76675), (6134, 65000), (6500, 61340), (8125, 49072), (10000, 39871), (12268, 32500), (13000, 30670), (15335, 26000), (16250, 24536)]