139813660

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:348

約数の個数: 96

約数和(自身を含む): 347760000

約数和(自身を除く): 207946340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 229, 245, 343, 356, 445, 458, 490, 623, 686, 890, 916, 980, 1145, 1246, 1372, 1603, 1715, 1780, 2290, 2492, 3115, 3206, 3430, 4361, 4580, 6230, 6412, 6860, 8015, 8722, 11221, 12460, 16030, 17444, 20381, 21805, 22442, 30527, 32060, 40762, 43610, 44884, 56105, 61054, 78547, 81524, 87220, 101905, 112210, 122108, 142667, 152635, 157094, 203810, 224420, 285334, 305270, 314188, 392735, 407620, 570668, 610540, 713335, 785470, 998669, 1426670, 1570940, 1997338, 2853340, 3994676, 4993345, 6990683, 9986690, 13981366, 19973380, 27962732, 34953415, 69906830, 139813660]

約数ペア:

[(1, 139813660), (2, 69906830), (4, 34953415), (5, 27962732), (7, 19973380), (10, 13981366), (14, 9986690), (20, 6990683), (28, 4993345), (35, 3994676), (49, 2853340), (70, 1997338), (89, 1570940), (98, 1426670), (140, 998669), (178, 785470), (196, 713335), (229, 610540), (245, 570668), (343, 407620), (356, 392735), (445, 314188), (458, 305270), (490, 285334), (623, 224420), (686, 203810), (890, 157094), (916, 152635), (980, 142667), (1145, 122108), (1246, 112210), (1372, 101905), (1603, 87220), (1715, 81524), (1780, 78547), (2290, 61054), (2492, 56105), (3115, 44884), (3206, 43610), (3430, 40762), (4361, 32060), (4580, 30527), (6230, 22442), (6412, 21805), (6860, 20381), (8015, 17444), (8722, 16030), (11221, 12460)]