13412980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 32457600

約数和(自身を除く): 19044620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 643, 745, 1043, 1286, 1490, 2086, 2572, 2980, 3215, 4172, 4501, 5215, 6430, 9002, 10430, 12860, 18004, 20860, 22505, 45010, 90020, 95807, 191614, 383228, 479035, 670649, 958070, 1341298, 1916140, 2682596, 3353245, 6706490, 13412980]

約数ペア:

[(1, 13412980), (2, 6706490), (4, 3353245), (5, 2682596), (7, 1916140), (10, 1341298), (14, 958070), (20, 670649), (28, 479035), (35, 383228), (70, 191614), (140, 95807), (149, 90020), (298, 45010), (596, 22505), (643, 20860), (745, 18004), (1043, 12860), (1286, 10430), (1490, 9002), (2086, 6430), (2572, 5215), (2980, 4501), (3215, 4172)]