128869372220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{727}}^1\times {\mathrm{216173}}^1$

素因数の和:216950

約数の個数: 48

約数和(自身を含む): 277608921408

約数和(自身を除く): 148739549188

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 727, 820, 1454, 2908, 3635, 7270, 14540, 29807, 59614, 119228, 149035, 216173, 298070, 432346, 596140, 864692, 1080865, 2161730, 4323460, 8863093, 17726186, 35452372, 44315465, 88630930, 157157771, 177261860, 314315542, 628631084, 785788855, 1571577710, 3143155420, 6443468611, 12886937222, 25773874444, 32217343055, 64434686110, 128869372220]

約数ペア:

[(1, 128869372220), (2, 64434686110), (4, 32217343055), (5, 25773874444), (10, 12886937222), (20, 6443468611), (41, 3143155420), (82, 1571577710), (164, 785788855), (205, 628631084), (410, 314315542), (727, 177261860), (820, 157157771), (1454, 88630930), (2908, 44315465), (3635, 35452372), (7270, 17726186), (14540, 8863093), (29807, 4323460), (59614, 2161730), (119228, 1080865), (149035, 864692), (216173, 596140), (298070, 432346)]