307900550

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:873

約数の個数: 48

約数和(自身を含む): 586702032

約数和(自身を除く): 278801482

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 157, 305, 314, 610, 643, 785, 1286, 1525, 1570, 3050, 3215, 3925, 6430, 7850, 9577, 16075, 19154, 32150, 39223, 47885, 78446, 95770, 100951, 196115, 201902, 239425, 392230, 478850, 504755, 980575, 1009510, 1961150, 2523775, 5047550, 6158011, 12316022, 30790055, 61580110, 153950275, 307900550]

約数ペア:

[(1, 307900550), (2, 153950275), (5, 61580110), (10, 30790055), (25, 12316022), (50, 6158011), (61, 5047550), (122, 2523775), (157, 1961150), (305, 1009510), (314, 980575), (610, 504755), (643, 478850), (785, 392230), (1286, 239425), (1525, 201902), (1570, 196115), (3050, 100951), (3215, 95770), (3925, 78446), (6430, 47885), (7850, 39223), (9577, 32150), (16075, 19154)]