197841480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:591

約数の個数: 128

約数和(自身を含む): 619920000

約数和(自身を除く): 422078520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 139, 145, 174, 232, 278, 290, 348, 409, 417, 435, 556, 580, 695, 696, 818, 834, 870, 1112, 1160, 1227, 1390, 1636, 1668, 1740, 2045, 2085, 2454, 2780, 3272, 3336, 3480, 4031, 4090, 4170, 4908, 5560, 6135, 8062, 8180, 8340, 9816, 11861, 12093, 12270, 16124, 16360, 16680, 20155, 23722, 24186, 24540, 32248, 35583, 40310, 47444, 48372, 49080, 56851, 59305, 60465, 71166, 80620, 94888, 96744, 113702, 118610, 120930, 142332, 161240, 170553, 177915, 227404, 237220, 241860, 284255, 284664, 341106, 355830, 454808, 474440, 483720, 568510, 682212, 711660, 852765, 1137020, 1364424, 1423320, 1648679, 1705530, 2274040, 3297358, 3411060, 4946037, 6594716, 6822120, 8243395, 9892074, 13189432, 16486790, 19784148, 24730185, 32973580, 39568296, 49460370, 65947160, 98920740, 197841480]

約数ペア:

[(1, 197841480), (2, 98920740), (3, 65947160), (4, 49460370), (5, 39568296), (6, 32973580), (8, 24730185), (10, 19784148), (12, 16486790), (15, 13189432), (20, 9892074), (24, 8243395), (29, 6822120), (30, 6594716), (40, 4946037), (58, 3411060), (60, 3297358), (87, 2274040), (116, 1705530), (120, 1648679), (139, 1423320), (145, 1364424), (174, 1137020), (232, 852765), (278, 711660), (290, 682212), (348, 568510), (409, 483720), (417, 474440), (435, 454808), (556, 355830), (580, 341106), (695, 284664), (696, 284255), (818, 241860), (834, 237220), (870, 227404), (1112, 177915), (1160, 170553), (1227, 161240), (1390, 142332), (1636, 120930), (1668, 118610), (1740, 113702), (2045, 96744), (2085, 94888), (2454, 80620), (2780, 71166), (3272, 60465), (3336, 59305), (3480, 56851), (4031, 49080), (4090, 48372), (4170, 47444), (4908, 40310), (5560, 35583), (6135, 32248), (8062, 24540), (8180, 24186), (8340, 23722), (9816, 20155), (11861, 16680), (12093, 16360), (12270, 16124)]