788997620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{691}}^1\times {\mathrm{1543}}^1$

素因数の和:2280

約数の個数: 48

約数和(自身を含む): 1705243008

約数和(自身を除く): 916245388

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 691, 740, 1382, 1543, 2764, 3086, 3455, 6172, 6910, 7715, 13820, 15430, 25567, 30860, 51134, 57091, 102268, 114182, 127835, 228364, 255670, 285455, 511340, 570910, 1066213, 1141820, 2132426, 4264852, 5331065, 10662130, 21324260, 39449881, 78899762, 157799524, 197249405, 394498810, 788997620]

約数ペア:

[(1, 788997620), (2, 394498810), (4, 197249405), (5, 157799524), (10, 78899762), (20, 39449881), (37, 21324260), (74, 10662130), (148, 5331065), (185, 4264852), (370, 2132426), (691, 1141820), (740, 1066213), (1382, 570910), (1543, 511340), (2764, 285455), (3086, 255670), (3455, 228364), (6172, 127835), (6910, 114182), (7715, 102268), (13820, 57091), (15430, 51134), (25567, 30860)]