265433980

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{38693}}^1$

素因数の和:38723

約数の個数: 48

約数和(自身を含む): 650059200

約数和(自身を除く): 384625220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 38693, 77386, 154772, 193465, 270851, 386930, 541702, 773860, 1083404, 1354255, 1895957, 2708510, 3791914, 5417020, 7583828, 9479785, 13271699, 18959570, 26543398, 37919140, 53086796, 66358495, 132716990, 265433980]

約数ペア:

[(1, 265433980), (2, 132716990), (4, 66358495), (5, 53086796), (7, 37919140), (10, 26543398), (14, 18959570), (20, 13271699), (28, 9479785), (35, 7583828), (49, 5417020), (70, 3791914), (98, 2708510), (140, 1895957), (196, 1354255), (245, 1083404), (343, 773860), (490, 541702), (686, 386930), (980, 270851), (1372, 193465), (1715, 154772), (3430, 77386), (6860, 38693)]