1077883660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{108439}}^1$

素因数の和:108526

約数の個数: 48

約数和(自身を含む): 2623380480

約数和(自身を除く): 1545496820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 108439, 216878, 433756, 542195, 759073, 1084390, 1518146, 2168780, 3036292, 3795365, 7590730, 7699169, 15181460, 15398338, 30796676, 38495845, 53894183, 76991690, 107788366, 153983380, 215576732, 269470915, 538941830, 1077883660]

約数ペア:

[(1, 1077883660), (2, 538941830), (4, 269470915), (5, 215576732), (7, 153983380), (10, 107788366), (14, 76991690), (20, 53894183), (28, 38495845), (35, 30796676), (70, 15398338), (71, 15181460), (140, 7699169), (142, 7590730), (284, 3795365), (355, 3036292), (497, 2168780), (710, 1518146), (994, 1084390), (1420, 759073), (1988, 542195), (2485, 433756), (4970, 216878), (9940, 108439)]