2781940180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{631}}^1\times {\mathrm{12967}}^1$

素因数の和:13624

約数の個数: 48

約数和(自身を含む): 6196006656

約数和(自身を除く): 3414066476

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 631, 1262, 2524, 3155, 6310, 10727, 12620, 12967, 21454, 25934, 42908, 51868, 53635, 64835, 107270, 129670, 214540, 220439, 259340, 440878, 881756, 1102195, 2204390, 4408780, 8182177, 16364354, 32728708, 40910885, 81821770, 139097009, 163643540, 278194018, 556388036, 695485045, 1390970090, 2781940180]

約数ペア:

[(1, 2781940180), (2, 1390970090), (4, 695485045), (5, 556388036), (10, 278194018), (17, 163643540), (20, 139097009), (34, 81821770), (68, 40910885), (85, 32728708), (170, 16364354), (340, 8182177), (631, 4408780), (1262, 2204390), (2524, 1102195), (3155, 881756), (6310, 440878), (10727, 259340), (12620, 220439), (12967, 214540), (21454, 129670), (25934, 107270), (42908, 64835), (51868, 53635)]