157260260

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1\times {\mathrm{311}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 335567232

約数和(自身を除く): 178306972

約数列:

[1, 2, 4, 5, 10, 20, 131, 193, 262, 311, 386, 524, 622, 655, 772, 965, 1244, 1310, 1555, 1930, 2620, 3110, 3860, 6220, 25283, 40741, 50566, 60023, 81482, 101132, 120046, 126415, 162964, 203705, 240092, 252830, 300115, 407410, 505660, 600230, 814820, 1200460, 7863013, 15726026, 31452052, 39315065, 78630130, 157260260]

約数ペア:

[(1, 157260260), (2, 78630130), (4, 39315065), (5, 31452052), (10, 15726026), (20, 7863013), (131, 1200460), (193, 814820), (262, 600230), (311, 505660), (386, 407410), (524, 300115), (622, 252830), (655, 240092), (772, 203705), (965, 162964), (1244, 126415), (1310, 120046), (1555, 101132), (1930, 81482), (2620, 60023), (3110, 50566), (3860, 40741), (6220, 25283)]