173829460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1993}}^1$

素因数の和:2105

約数の個数: 72

約数和(自身を含む): 429627240

約数和(自身を除く): 255797780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 356, 445, 490, 623, 890, 980, 1246, 1780, 1993, 2492, 3115, 3986, 4361, 6230, 7972, 8722, 9965, 12460, 13951, 17444, 19930, 21805, 27902, 39860, 43610, 55804, 69755, 87220, 97657, 139510, 177377, 195314, 279020, 354754, 390628, 488285, 709508, 886885, 976570, 1241639, 1773770, 1953140, 2483278, 3547540, 4966556, 6208195, 8691473, 12416390, 17382946, 24832780, 34765892, 43457365, 86914730, 173829460]

約数ペア:

[(1, 173829460), (2, 86914730), (4, 43457365), (5, 34765892), (7, 24832780), (10, 17382946), (14, 12416390), (20, 8691473), (28, 6208195), (35, 4966556), (49, 3547540), (70, 2483278), (89, 1953140), (98, 1773770), (140, 1241639), (178, 976570), (196, 886885), (245, 709508), (356, 488285), (445, 390628), (490, 354754), (623, 279020), (890, 195314), (980, 177377), (1246, 139510), (1780, 97657), (1993, 87220), (2492, 69755), (3115, 55804), (3986, 43610), (4361, 39860), (6230, 27902), (7972, 21805), (8722, 19930), (9965, 17444), (12460, 13951)]