40670980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{883}}^1$

素因数の和:953

約数の個数: 72

約数和(自身を含む): 101582208

約数和(自身を除く): 60911228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 658, 883, 940, 980, 1316, 1645, 1766, 2303, 3290, 3532, 4415, 4606, 6181, 6580, 8830, 9212, 11515, 12362, 17660, 23030, 24724, 30905, 41501, 43267, 46060, 61810, 83002, 86534, 123620, 166004, 173068, 207505, 216335, 290507, 415010, 432670, 581014, 830020, 865340, 1162028, 1452535, 2033549, 2905070, 4067098, 5810140, 8134196, 10167745, 20335490, 40670980]

約数ペア:

[(1, 40670980), (2, 20335490), (4, 10167745), (5, 8134196), (7, 5810140), (10, 4067098), (14, 2905070), (20, 2033549), (28, 1452535), (35, 1162028), (47, 865340), (49, 830020), (70, 581014), (94, 432670), (98, 415010), (140, 290507), (188, 216335), (196, 207505), (235, 173068), (245, 166004), (329, 123620), (470, 86534), (490, 83002), (658, 61810), (883, 46060), (940, 43267), (980, 41501), (1316, 30905), (1645, 24724), (1766, 23030), (2303, 17660), (3290, 12362), (3532, 11515), (4415, 9212), (4606, 8830), (6181, 6580)]