87683860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1907}}^1$

素因数の和:1957

約数の個数: 72

約数和(自身を含む): 213161760

約数和(自身を除く): 125477900

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 380, 418, 484, 605, 836, 1045, 1210, 1907, 2090, 2299, 2420, 3814, 4180, 4598, 7628, 9196, 9535, 11495, 19070, 20977, 22990, 36233, 38140, 41954, 45980, 72466, 83908, 104885, 144932, 181165, 209770, 230747, 362330, 398563, 419540, 461494, 724660, 797126, 922988, 1153735, 1594252, 1992815, 2307470, 3985630, 4384193, 4614940, 7971260, 8768386, 17536772, 21920965, 43841930, 87683860]

約数ペア:

[(1, 87683860), (2, 43841930), (4, 21920965), (5, 17536772), (10, 8768386), (11, 7971260), (19, 4614940), (20, 4384193), (22, 3985630), (38, 2307470), (44, 1992815), (55, 1594252), (76, 1153735), (95, 922988), (110, 797126), (121, 724660), (190, 461494), (209, 419540), (220, 398563), (242, 362330), (380, 230747), (418, 209770), (484, 181165), (605, 144932), (836, 104885), (1045, 83908), (1210, 72466), (1907, 45980), (2090, 41954), (2299, 38140), (2420, 36233), (3814, 22990), (4180, 20977), (4598, 19070), (7628, 11495), (9196, 9535)]