28421700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{211}}^1\times {\mathrm{449}}^1$

素因数の和:677

約数の個数: 72

約数和(自身を含む): 82807200

約数和(自身を除く): 54385500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 211, 300, 422, 449, 633, 844, 898, 1055, 1266, 1347, 1796, 2110, 2245, 2532, 2694, 3165, 4220, 4490, 5275, 5388, 6330, 6735, 8980, 10550, 11225, 12660, 13470, 15825, 21100, 22450, 26940, 31650, 33675, 44900, 63300, 67350, 94739, 134700, 189478, 284217, 378956, 473695, 568434, 947390, 1136868, 1421085, 1894780, 2368475, 2842170, 4736950, 5684340, 7105425, 9473900, 14210850, 28421700]

約数ペア:

[(1, 28421700), (2, 14210850), (3, 9473900), (4, 7105425), (5, 5684340), (6, 4736950), (10, 2842170), (12, 2368475), (15, 1894780), (20, 1421085), (25, 1136868), (30, 947390), (50, 568434), (60, 473695), (75, 378956), (100, 284217), (150, 189478), (211, 134700), (300, 94739), (422, 67350), (449, 63300), (633, 44900), (844, 33675), (898, 31650), (1055, 26940), (1266, 22450), (1347, 21100), (1796, 15825), (2110, 13470), (2245, 12660), (2532, 11225), (2694, 10550), (3165, 8980), (4220, 6735), (4490, 6330), (5275, 5388)]