205374200

素因数分解:

$2^3\times 5^2\times {\mathrm{643}}^1\times {\mathrm{1597}}^1$

素因数の和:2256

約数の個数: 48

約数和(自身を含む): 478537080

約数和(自身を除く): 273162880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 643, 1286, 1597, 2572, 3194, 3215, 5144, 6388, 6430, 7985, 12776, 12860, 15970, 16075, 25720, 31940, 32150, 39925, 63880, 64300, 79850, 128600, 159700, 319400, 1026871, 2053742, 4107484, 5134355, 8214968, 10268710, 20537420, 25671775, 41074840, 51343550, 102687100, 205374200]

約数ペア:

[(1, 205374200), (2, 102687100), (4, 51343550), (5, 41074840), (8, 25671775), (10, 20537420), (20, 10268710), (25, 8214968), (40, 5134355), (50, 4107484), (100, 2053742), (200, 1026871), (643, 319400), (1286, 159700), (1597, 128600), (2572, 79850), (3194, 64300), (3215, 63880), (5144, 39925), (6388, 32150), (6430, 31940), (7985, 25720), (12776, 16075), (12860, 15970)]