11351480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 29652480

約数和(自身を除く): 18301000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 571, 710, 994, 1142, 1420, 1988, 2284, 2485, 2840, 2855, 3976, 3997, 4568, 4970, 5710, 7994, 9940, 11420, 15988, 19880, 19985, 22840, 31976, 39970, 40541, 79940, 81082, 159880, 162164, 202705, 283787, 324328, 405410, 567574, 810820, 1135148, 1418935, 1621640, 2270296, 2837870, 5675740, 11351480]

約数ペア:

[(1, 11351480), (2, 5675740), (4, 2837870), (5, 2270296), (7, 1621640), (8, 1418935), (10, 1135148), (14, 810820), (20, 567574), (28, 405410), (35, 324328), (40, 283787), (56, 202705), (70, 162164), (71, 159880), (140, 81082), (142, 79940), (280, 40541), (284, 39970), (355, 31976), (497, 22840), (568, 19985), (571, 19880), (710, 15988), (994, 11420), (1142, 9940), (1420, 7994), (1988, 5710), (2284, 4970), (2485, 4568), (2840, 3997), (2855, 3976)]