99020180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1279}}^1$

素因数の和:1381

約数の個数: 72

約数和(自身を含む): 245145600

約数和(自身を除く): 146125420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 395, 490, 553, 790, 980, 1106, 1279, 1580, 2212, 2558, 2765, 3871, 5116, 5530, 6395, 7742, 8953, 11060, 12790, 15484, 17906, 19355, 25580, 35812, 38710, 44765, 62671, 77420, 89530, 101041, 125342, 179060, 202082, 250684, 313355, 404164, 505205, 626710, 707287, 1010410, 1253420, 1414574, 2020820, 2829148, 3536435, 4951009, 7072870, 9902018, 14145740, 19804036, 24755045, 49510090, 99020180]

約数ペア:

[(1, 99020180), (2, 49510090), (4, 24755045), (5, 19804036), (7, 14145740), (10, 9902018), (14, 7072870), (20, 4951009), (28, 3536435), (35, 2829148), (49, 2020820), (70, 1414574), (79, 1253420), (98, 1010410), (140, 707287), (158, 626710), (196, 505205), (245, 404164), (316, 313355), (395, 250684), (490, 202082), (553, 179060), (790, 125342), (980, 101041), (1106, 89530), (1279, 77420), (1580, 62671), (2212, 44765), (2558, 38710), (2765, 35812), (3871, 25580), (5116, 19355), (5530, 17906), (6395, 15484), (7742, 12790), (8953, 11060)]