2015167940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{7213}}^1$

素因数の和:7512

約数の個数: 48

約数和(自身を含む): 4320608880

約数和(自身を除く): 2305440940

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 229, 244, 305, 458, 610, 916, 1145, 1220, 2290, 4580, 7213, 13969, 14426, 27938, 28852, 36065, 55876, 69845, 72130, 139690, 144260, 279380, 439993, 879986, 1651777, 1759972, 2199965, 3303554, 4399930, 6607108, 8258885, 8799860, 16517770, 33035540, 100758397, 201516794, 403033588, 503791985, 1007583970, 2015167940]

約数ペア:

[(1, 2015167940), (2, 1007583970), (4, 503791985), (5, 403033588), (10, 201516794), (20, 100758397), (61, 33035540), (122, 16517770), (229, 8799860), (244, 8258885), (305, 6607108), (458, 4399930), (610, 3303554), (916, 2199965), (1145, 1759972), (1220, 1651777), (2290, 879986), (4580, 439993), (7213, 279380), (13969, 144260), (14426, 139690), (27938, 72130), (28852, 69845), (36065, 55876)]