201232780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:479

約数の個数: 96

約数和(自身を含む): 503193600

約数和(自身を除く): 301960820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 199, 217, 233, 310, 398, 434, 466, 620, 796, 868, 932, 995, 1085, 1165, 1393, 1631, 1990, 2170, 2330, 2786, 3262, 3980, 4340, 4660, 5572, 6169, 6524, 6965, 7223, 8155, 12338, 13930, 14446, 16310, 24676, 27860, 28892, 30845, 32620, 36115, 43183, 46367, 50561, 61690, 72230, 86366, 92734, 101122, 123380, 144460, 172732, 185468, 202244, 215915, 231835, 252805, 324569, 431830, 463670, 505610, 649138, 863660, 927340, 1011220, 1298276, 1437377, 1622845, 2874754, 3245690, 5749508, 6491380, 7186885, 10061639, 14373770, 20123278, 28747540, 40246556, 50308195, 100616390, 201232780]

約数ペア:

[(1, 201232780), (2, 100616390), (4, 50308195), (5, 40246556), (7, 28747540), (10, 20123278), (14, 14373770), (20, 10061639), (28, 7186885), (31, 6491380), (35, 5749508), (62, 3245690), (70, 2874754), (124, 1622845), (140, 1437377), (155, 1298276), (199, 1011220), (217, 927340), (233, 863660), (310, 649138), (398, 505610), (434, 463670), (466, 431830), (620, 324569), (796, 252805), (868, 231835), (932, 215915), (995, 202244), (1085, 185468), (1165, 172732), (1393, 144460), (1631, 123380), (1990, 101122), (2170, 92734), (2330, 86366), (2786, 72230), (3262, 61690), (3980, 50561), (4340, 46367), (4660, 43183), (5572, 36115), (6169, 32620), (6524, 30845), (6965, 28892), (7223, 27860), (8155, 24676), (12338, 16310), (13930, 14446)]