401338980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{318523}}^1$

素因数の和:318545

約数の個数: 72

約数和(自身を含む): 1391312832

約数和(自身を除く): 989973852

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 318523, 637046, 955569, 1274092, 1592615, 1911138, 2229661, 2866707, 3185230, 3822276, 4459322, 4777845, 5733414, 6370460, 6688983, 8918644, 9555690, 11148305, 11466828, 13377966, 14333535, 19111380, 20066949, 22296610, 26755932, 28667070, 33444915, 40133898, 44593220, 57334140, 66889830, 80267796, 100334745, 133779660, 200669490, 401338980]

約数ペア:

[(1, 401338980), (2, 200669490), (3, 133779660), (4, 100334745), (5, 80267796), (6, 66889830), (7, 57334140), (9, 44593220), (10, 40133898), (12, 33444915), (14, 28667070), (15, 26755932), (18, 22296610), (20, 20066949), (21, 19111380), (28, 14333535), (30, 13377966), (35, 11466828), (36, 11148305), (42, 9555690), (45, 8918644), (60, 6688983), (63, 6370460), (70, 5733414), (84, 4777845), (90, 4459322), (105, 3822276), (126, 3185230), (140, 2866707), (180, 2229661), (210, 1911138), (252, 1592615), (315, 1274092), (420, 955569), (630, 637046), (1260, 318523)]