131277460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{4373}}^1$

素因数の和:4480

約数の個数: 48

約数和(自身を含む): 293932800

約数和(自身を除く): 162655340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1501, 1580, 3002, 4373, 6004, 7505, 8746, 15010, 17492, 21865, 30020, 43730, 83087, 87460, 166174, 332348, 345467, 415435, 690934, 830870, 1381868, 1661740, 1727335, 3454670, 6563873, 6909340, 13127746, 26255492, 32819365, 65638730, 131277460]

約数ペア:

[(1, 131277460), (2, 65638730), (4, 32819365), (5, 26255492), (10, 13127746), (19, 6909340), (20, 6563873), (38, 3454670), (76, 1727335), (79, 1661740), (95, 1381868), (158, 830870), (190, 690934), (316, 415435), (380, 345467), (395, 332348), (790, 166174), (1501, 87460), (1580, 83087), (3002, 43730), (4373, 30020), (6004, 21865), (7505, 17492), (8746, 15010)]