28871200

素因数分解:

$2^5\times 5^2\times {\mathrm{151}}^1\times {\mathrm{239}}^1$

素因数の和:410

約数の個数: 72

約数和(自身を含む): 71245440

約数和(自身を除く): 42374240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 151, 160, 200, 239, 302, 400, 478, 604, 755, 800, 956, 1195, 1208, 1510, 1912, 2390, 2416, 3020, 3775, 3824, 4780, 4832, 5975, 6040, 7550, 7648, 9560, 11950, 12080, 15100, 19120, 23900, 24160, 30200, 36089, 38240, 47800, 60400, 72178, 95600, 120800, 144356, 180445, 191200, 288712, 360890, 577424, 721780, 902225, 1154848, 1443560, 1804450, 2887120, 3608900, 5774240, 7217800, 14435600, 28871200]

約数ペア:

[(1, 28871200), (2, 14435600), (4, 7217800), (5, 5774240), (8, 3608900), (10, 2887120), (16, 1804450), (20, 1443560), (25, 1154848), (32, 902225), (40, 721780), (50, 577424), (80, 360890), (100, 288712), (151, 191200), (160, 180445), (200, 144356), (239, 120800), (302, 95600), (400, 72178), (478, 60400), (604, 47800), (755, 38240), (800, 36089), (956, 30200), (1195, 24160), (1208, 23900), (1510, 19120), (1912, 15100), (2390, 12080), (2416, 11950), (3020, 9560), (3775, 7648), (3824, 7550), (4780, 6040), (4832, 5975)]