85718220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{499}}^1$

素因数の和:927

約数の個数: 96

約数和(自身を含む): 275520000

約数和(自身を除く): 189801780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 409, 420, 499, 818, 998, 1227, 1497, 1636, 1996, 2045, 2454, 2495, 2863, 2994, 3493, 4090, 4908, 4990, 5726, 5988, 6135, 6986, 7485, 8180, 8589, 9980, 10479, 11452, 12270, 13972, 14315, 14970, 17178, 17465, 20958, 24540, 28630, 29940, 34356, 34930, 41916, 42945, 52395, 57260, 69860, 85890, 104790, 171780, 204091, 209580, 408182, 612273, 816364, 1020455, 1224546, 1428637, 2040910, 2449092, 2857274, 3061365, 4081820, 4285911, 5714548, 6122730, 7143185, 8571822, 12245460, 14286370, 17143644, 21429555, 28572740, 42859110, 85718220]

約数ペア:

[(1, 85718220), (2, 42859110), (3, 28572740), (4, 21429555), (5, 17143644), (6, 14286370), (7, 12245460), (10, 8571822), (12, 7143185), (14, 6122730), (15, 5714548), (20, 4285911), (21, 4081820), (28, 3061365), (30, 2857274), (35, 2449092), (42, 2040910), (60, 1428637), (70, 1224546), (84, 1020455), (105, 816364), (140, 612273), (210, 408182), (409, 209580), (420, 204091), (499, 171780), (818, 104790), (998, 85890), (1227, 69860), (1497, 57260), (1636, 52395), (1996, 42945), (2045, 41916), (2454, 34930), (2495, 34356), (2863, 29940), (2994, 28630), (3493, 24540), (4090, 20958), (4908, 17465), (4990, 17178), (5726, 14970), (5988, 14315), (6135, 13972), (6986, 12270), (7485, 11452), (8180, 10479), (8589, 9980)]