51146900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2357}}^1$

素因数の和:2409

約数の個数: 72

約数和(自身を含む): 130991616

約数和(自身を除く): 79844716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 140, 155, 175, 217, 310, 350, 434, 620, 700, 775, 868, 1085, 1550, 2170, 2357, 3100, 4340, 4714, 5425, 9428, 10850, 11785, 16499, 21700, 23570, 32998, 47140, 58925, 65996, 73067, 82495, 117850, 146134, 164990, 235700, 292268, 329980, 365335, 412475, 511469, 730670, 824950, 1022938, 1461340, 1649900, 1826675, 2045876, 2557345, 3653350, 5114690, 7306700, 10229380, 12786725, 25573450, 51146900]

約数ペア:

[(1, 51146900), (2, 25573450), (4, 12786725), (5, 10229380), (7, 7306700), (10, 5114690), (14, 3653350), (20, 2557345), (25, 2045876), (28, 1826675), (31, 1649900), (35, 1461340), (50, 1022938), (62, 824950), (70, 730670), (100, 511469), (124, 412475), (140, 365335), (155, 329980), (175, 292268), (217, 235700), (310, 164990), (350, 146134), (434, 117850), (620, 82495), (700, 73067), (775, 65996), (868, 58925), (1085, 47140), (1550, 32998), (2170, 23570), (2357, 21700), (3100, 16499), (4340, 11785), (4714, 10850), (5425, 9428)]