673934140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{20287}}^1$

素因数の和:20458

約数の個数: 48

約数和(自身を含む): 1554223104

約数和(自身を除く): 880288964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 151, 220, 302, 604, 755, 1510, 1661, 3020, 3322, 6644, 8305, 16610, 20287, 33220, 40574, 81148, 101435, 202870, 223157, 405740, 446314, 892628, 1115785, 2231570, 3063337, 4463140, 6126674, 12253348, 15316685, 30633370, 33696707, 61266740, 67393414, 134786828, 168483535, 336967070, 673934140]

約数ペア:

[(1, 673934140), (2, 336967070), (4, 168483535), (5, 134786828), (10, 67393414), (11, 61266740), (20, 33696707), (22, 30633370), (44, 15316685), (55, 12253348), (110, 6126674), (151, 4463140), (220, 3063337), (302, 2231570), (604, 1115785), (755, 892628), (1510, 446314), (1661, 405740), (3020, 223157), (3322, 202870), (6644, 101435), (8305, 81148), (16610, 40574), (20287, 33220)]