28488740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{3449}}^1$

素因数の和:3524

約数の個数: 48

約数和(自身を含む): 69552000

約数和(自身を除く): 41063260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 2065, 3449, 4130, 6898, 8260, 13796, 17245, 24143, 34490, 48286, 68980, 96572, 120715, 203491, 241430, 406982, 482860, 813964, 1017455, 1424437, 2034910, 2848874, 4069820, 5697748, 7122185, 14244370, 28488740]

約数ペア:

[(1, 28488740), (2, 14244370), (4, 7122185), (5, 5697748), (7, 4069820), (10, 2848874), (14, 2034910), (20, 1424437), (28, 1017455), (35, 813964), (59, 482860), (70, 406982), (118, 241430), (140, 203491), (236, 120715), (295, 96572), (413, 68980), (590, 48286), (826, 34490), (1180, 24143), (1652, 17245), (2065, 13796), (3449, 8260), (4130, 6898)]