2119966990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{5419}}^1$

素因数の和:5545

約数の個数: 64

約数和(自身を含む): 4214592000

約数和(自身を除く): 2094625010

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 71, 95, 142, 145, 190, 290, 355, 551, 710, 1102, 1349, 2059, 2698, 2755, 4118, 5419, 5510, 6745, 10295, 10838, 13490, 20590, 27095, 39121, 54190, 78242, 102961, 157151, 195605, 205922, 314302, 384749, 391210, 514805, 769498, 785755, 1029610, 1571510, 1923745, 2985869, 3847490, 5971738, 7310231, 11157721, 14620462, 14929345, 22315442, 29858690, 36551155, 55788605, 73102310, 111577210, 211996699, 423993398, 1059983495, 2119966990]

約数ペア:

[(1, 2119966990), (2, 1059983495), (5, 423993398), (10, 211996699), (19, 111577210), (29, 73102310), (38, 55788605), (58, 36551155), (71, 29858690), (95, 22315442), (142, 14929345), (145, 14620462), (190, 11157721), (290, 7310231), (355, 5971738), (551, 3847490), (710, 2985869), (1102, 1923745), (1349, 1571510), (2059, 1029610), (2698, 785755), (2755, 769498), (4118, 514805), (5419, 391210), (5510, 384749), (6745, 314302), (10295, 205922), (10838, 195605), (13490, 157151), (20590, 102961), (27095, 78242), (39121, 54190)]