1788897860

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{547}}^1\times {\mathrm{1619}}^1$

素因数の和:2276

約数の個数: 48

約数和(自身を含む): 3803163840

約数和(自身を除く): 2014265980

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 547, 1010, 1094, 1619, 2020, 2188, 2735, 3238, 5470, 6476, 8095, 10940, 16190, 32380, 55247, 110494, 163519, 220988, 276235, 327038, 552470, 654076, 817595, 885593, 1104940, 1635190, 1771186, 3270380, 3542372, 4427965, 8855930, 17711860, 89444893, 178889786, 357779572, 447224465, 894448930, 1788897860]

約数ペア:

[(1, 1788897860), (2, 894448930), (4, 447224465), (5, 357779572), (10, 178889786), (20, 89444893), (101, 17711860), (202, 8855930), (404, 4427965), (505, 3542372), (547, 3270380), (1010, 1771186), (1094, 1635190), (1619, 1104940), (2020, 885593), (2188, 817595), (2735, 654076), (3238, 552470), (5470, 327038), (6476, 276235), (8095, 220988), (10940, 163519), (16190, 110494), (32380, 55247)]