39946760

素因数分解:

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

素因数の和:343

約数の個数: 96

約数和(自身を含む): 106191000

約数和(自身を除く): 66244240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 89, 98, 140, 178, 196, 229, 245, 280, 356, 392, 445, 458, 490, 623, 712, 890, 916, 980, 1145, 1246, 1603, 1780, 1832, 1960, 2290, 2492, 3115, 3206, 3560, 4361, 4580, 4984, 6230, 6412, 8015, 8722, 9160, 11221, 12460, 12824, 16030, 17444, 20381, 21805, 22442, 24920, 32060, 34888, 40762, 43610, 44884, 56105, 64120, 81524, 87220, 89768, 101905, 112210, 142667, 163048, 174440, 203810, 224420, 285334, 407620, 448840, 570668, 713335, 815240, 998669, 1141336, 1426670, 1997338, 2853340, 3994676, 4993345, 5706680, 7989352, 9986690, 19973380, 39946760]

約数ペア:

[(1, 39946760), (2, 19973380), (4, 9986690), (5, 7989352), (7, 5706680), (8, 4993345), (10, 3994676), (14, 2853340), (20, 1997338), (28, 1426670), (35, 1141336), (40, 998669), (49, 815240), (56, 713335), (70, 570668), (89, 448840), (98, 407620), (140, 285334), (178, 224420), (196, 203810), (229, 174440), (245, 163048), (280, 142667), (356, 112210), (392, 101905), (445, 89768), (458, 87220), (490, 81524), (623, 64120), (712, 56105), (890, 44884), (916, 43610), (980, 40762), (1145, 34888), (1246, 32060), (1603, 24920), (1780, 22442), (1832, 21805), (1960, 20381), (2290, 17444), (2492, 16030), (3115, 12824), (3206, 12460), (3560, 11221), (4361, 9160), (4580, 8722), (4984, 8015), (6230, 6412)]