1387756850

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{4639}}^1$

素因数の和:4875

約数の個数: 48

約数和(自身を含む): 2678876160

約数和(自身を除く): 1291119310

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 193, 310, 386, 775, 965, 1550, 1930, 4639, 4825, 5983, 9278, 9650, 11966, 23195, 29915, 46390, 59830, 115975, 143809, 149575, 231950, 287618, 299150, 719045, 895327, 1438090, 1790654, 3595225, 4476635, 7190450, 8953270, 22383175, 27755137, 44766350, 55510274, 138775685, 277551370, 693878425, 1387756850]

約数ペア:

[(1, 1387756850), (2, 693878425), (5, 277551370), (10, 138775685), (25, 55510274), (31, 44766350), (50, 27755137), (62, 22383175), (155, 8953270), (193, 7190450), (310, 4476635), (386, 3595225), (775, 1790654), (965, 1438090), (1550, 895327), (1930, 719045), (4639, 299150), (4825, 287618), (5983, 231950), (9278, 149575), (9650, 143809), (11966, 115975), (23195, 59830), (29915, 46390)]