201421400

素因数分解:

$2^3\times 5^2\times {\mathrm{449}}^1\times {\mathrm{2243}}^1$

素因数の和:2708

約数の個数: 48

約数和(自身を含む): 469557000

約数和(自身を除く): 268135600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 449, 898, 1796, 2243, 2245, 3592, 4486, 4490, 8972, 8980, 11215, 11225, 17944, 17960, 22430, 22450, 44860, 44900, 56075, 89720, 89800, 112150, 224300, 448600, 1007107, 2014214, 4028428, 5035535, 8056856, 10071070, 20142140, 25177675, 40284280, 50355350, 100710700, 201421400]

約数ペア:

[(1, 201421400), (2, 100710700), (4, 50355350), (5, 40284280), (8, 25177675), (10, 20142140), (20, 10071070), (25, 8056856), (40, 5035535), (50, 4028428), (100, 2014214), (200, 1007107), (449, 448600), (898, 224300), (1796, 112150), (2243, 89800), (2245, 89720), (3592, 56075), (4486, 44900), (4490, 44860), (8972, 22450), (8980, 22430), (11215, 17960), (11225, 17944)]