205043020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{997}}^1$

素因数の和:1139

約数の個数: 96

約数和(自身を含む): 535183488

約数和(自身を除く): 330140468

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 113, 130, 140, 182, 226, 260, 364, 452, 455, 565, 791, 910, 997, 1130, 1469, 1582, 1820, 1994, 2260, 2938, 3164, 3955, 3988, 4985, 5876, 6979, 7345, 7910, 9970, 10283, 12961, 13958, 14690, 15820, 19940, 20566, 25922, 27916, 29380, 34895, 41132, 51415, 51844, 64805, 69790, 90727, 102830, 112661, 129610, 139580, 181454, 205660, 225322, 259220, 362908, 450644, 453635, 563305, 788627, 907270, 1126610, 1464593, 1577254, 1814540, 2253220, 2929186, 3154508, 3943135, 5858372, 7322965, 7886270, 10252151, 14645930, 15772540, 20504302, 29291860, 41008604, 51260755, 102521510, 205043020]

約数ペア:

[(1, 205043020), (2, 102521510), (4, 51260755), (5, 41008604), (7, 29291860), (10, 20504302), (13, 15772540), (14, 14645930), (20, 10252151), (26, 7886270), (28, 7322965), (35, 5858372), (52, 3943135), (65, 3154508), (70, 2929186), (91, 2253220), (113, 1814540), (130, 1577254), (140, 1464593), (182, 1126610), (226, 907270), (260, 788627), (364, 563305), (452, 453635), (455, 450644), (565, 362908), (791, 259220), (910, 225322), (997, 205660), (1130, 181454), (1469, 139580), (1582, 129610), (1820, 112661), (1994, 102830), (2260, 90727), (2938, 69790), (3164, 64805), (3955, 51844), (3988, 51415), (4985, 41132), (5876, 34895), (6979, 29380), (7345, 27916), (7910, 25922), (9970, 20566), (10283, 19940), (12961, 15820), (13958, 14690)]