393727900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1187}}^1$

素因数の和:1339

約数の個数: 72

約数和(自身を含む): 890942976

約数和(自身を除く): 497215076

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 107, 124, 155, 214, 310, 428, 535, 620, 775, 1070, 1187, 1550, 2140, 2374, 2675, 3100, 3317, 4748, 5350, 5935, 6634, 10700, 11870, 13268, 16585, 23740, 29675, 33170, 36797, 59350, 66340, 73594, 82925, 118700, 127009, 147188, 165850, 183985, 254018, 331700, 367970, 508036, 635045, 735940, 919925, 1270090, 1839850, 2540180, 3175225, 3679700, 3937279, 6350450, 7874558, 12700900, 15749116, 19686395, 39372790, 78745580, 98431975, 196863950, 393727900]

約数ペア:

[(1, 393727900), (2, 196863950), (4, 98431975), (5, 78745580), (10, 39372790), (20, 19686395), (25, 15749116), (31, 12700900), (50, 7874558), (62, 6350450), (100, 3937279), (107, 3679700), (124, 3175225), (155, 2540180), (214, 1839850), (310, 1270090), (428, 919925), (535, 735940), (620, 635045), (775, 508036), (1070, 367970), (1187, 331700), (1550, 254018), (2140, 183985), (2374, 165850), (2675, 147188), (3100, 127009), (3317, 118700), (4748, 82925), (5350, 73594), (5935, 66340), (6634, 59350), (10700, 36797), (11870, 33170), (13268, 29675), (16585, 23740)]