8953980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{21319}}^1$

素因数の和:21338

約数の個数: 48

約数和(自身を含む): 28654080

約数和(自身を除く): 19700100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 21319, 42638, 63957, 85276, 106595, 127914, 149233, 213190, 255828, 298466, 319785, 426380, 447699, 596932, 639570, 746165, 895398, 1279140, 1492330, 1790796, 2238495, 2984660, 4476990, 8953980]

約数ペア:

[(1, 8953980), (2, 4476990), (3, 2984660), (4, 2238495), (5, 1790796), (6, 1492330), (7, 1279140), (10, 895398), (12, 746165), (14, 639570), (15, 596932), (20, 447699), (21, 426380), (28, 319785), (30, 298466), (35, 255828), (42, 213190), (60, 149233), (70, 127914), (84, 106595), (105, 85276), (140, 63957), (210, 42638), (420, 21319)]