153331780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{1613}}^1$

素因数の和:1733

約数の個数: 72

約数和(自身を含む): 378663768

約数和(自身を除く): 225331988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 140, 194, 196, 245, 388, 485, 490, 679, 970, 980, 1358, 1613, 1940, 2716, 3226, 3395, 4753, 6452, 6790, 8065, 9506, 11291, 13580, 16130, 19012, 22582, 23765, 32260, 45164, 47530, 56455, 79037, 95060, 112910, 156461, 158074, 225820, 312922, 316148, 395185, 625844, 782305, 790370, 1095227, 1564610, 1580740, 2190454, 3129220, 4380908, 5476135, 7666589, 10952270, 15333178, 21904540, 30666356, 38332945, 76665890, 153331780]

約数ペア:

[(1, 153331780), (2, 76665890), (4, 38332945), (5, 30666356), (7, 21904540), (10, 15333178), (14, 10952270), (20, 7666589), (28, 5476135), (35, 4380908), (49, 3129220), (70, 2190454), (97, 1580740), (98, 1564610), (140, 1095227), (194, 790370), (196, 782305), (245, 625844), (388, 395185), (485, 316148), (490, 312922), (679, 225820), (970, 158074), (980, 156461), (1358, 112910), (1613, 95060), (1940, 79037), (2716, 56455), (3226, 47530), (3395, 45164), (4753, 32260), (6452, 23765), (6790, 22582), (8065, 19012), (9506, 16130), (11291, 13580)]