2045018900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{335249}}^1$

素因数の和:335324

約数の個数: 36

約数和(自身を含む): 4510453500

約数和(自身を除く): 2465434600

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 6100, 335249, 670498, 1340996, 1676245, 3352490, 6704980, 8381225, 16762450, 20450189, 33524900, 40900378, 81800756, 102250945, 204501890, 409003780, 511254725, 1022509450, 2045018900]

約数ペア:

[(1, 2045018900), (2, 1022509450), (4, 511254725), (5, 409003780), (10, 204501890), (20, 102250945), (25, 81800756), (50, 40900378), (61, 33524900), (100, 20450189), (122, 16762450), (244, 8381225), (305, 6704980), (610, 3352490), (1220, 1676245), (1525, 1340996), (3050, 670498), (6100, 335249)]