189596540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^2$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 465616032

約数和(自身を除く): 276019492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 149, 244, 298, 305, 427, 596, 610, 745, 854, 1043, 1220, 1490, 1708, 2086, 2135, 2980, 4172, 4270, 5215, 8540, 9089, 10430, 18178, 20860, 22201, 36356, 44402, 45445, 63623, 88804, 90890, 111005, 127246, 155407, 181780, 222010, 254492, 310814, 318115, 444020, 621628, 636230, 777035, 1272460, 1354261, 1554070, 2708522, 3108140, 5417044, 6771305, 9479827, 13542610, 18959654, 27085220, 37919308, 47399135, 94798270, 189596540]

約数ペア:

[(1, 189596540), (2, 94798270), (4, 47399135), (5, 37919308), (7, 27085220), (10, 18959654), (14, 13542610), (20, 9479827), (28, 6771305), (35, 5417044), (61, 3108140), (70, 2708522), (122, 1554070), (140, 1354261), (149, 1272460), (244, 777035), (298, 636230), (305, 621628), (427, 444020), (596, 318115), (610, 310814), (745, 254492), (854, 222010), (1043, 181780), (1220, 155407), (1490, 127246), (1708, 111005), (2086, 90890), (2135, 88804), (2980, 63623), (4172, 45445), (4270, 44402), (5215, 36356), (8540, 22201), (9089, 20860), (10430, 18178)]