2021767960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{15377}}^1$

素因数の和:15580

約数の個数: 64

約数和(自身を含む): 4816389600

約数和(自身を除く): 2794621640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 173, 190, 346, 380, 692, 760, 865, 1384, 1730, 3287, 3460, 6574, 6920, 13148, 15377, 16435, 26296, 30754, 32870, 61508, 65740, 76885, 123016, 131480, 153770, 292163, 307540, 584326, 615080, 1168652, 1460815, 2337304, 2660221, 2921630, 5320442, 5843260, 10640884, 11686520, 13301105, 21281768, 26602210, 50544199, 53204420, 101088398, 106408840, 202176796, 252720995, 404353592, 505441990, 1010883980, 2021767960]

約数ペア:

[(1, 2021767960), (2, 1010883980), (4, 505441990), (5, 404353592), (8, 252720995), (10, 202176796), (19, 106408840), (20, 101088398), (38, 53204420), (40, 50544199), (76, 26602210), (95, 21281768), (152, 13301105), (173, 11686520), (190, 10640884), (346, 5843260), (380, 5320442), (692, 2921630), (760, 2660221), (865, 2337304), (1384, 1460815), (1730, 1168652), (3287, 615080), (3460, 584326), (6574, 307540), (6920, 292163), (13148, 153770), (15377, 131480), (16435, 123016), (26296, 76885), (30754, 65740), (32870, 61508)]