17998540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2179}}^1$

素因数の和:2254

約数の個数: 48

約数和(自身を含む): 43948800

約数和(自身を除く): 25950260

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, 2179, 4130, 4358, 8260, 8716, 10895, 15253, 21790, 30506, 43580, 61012, 76265, 128561, 152530, 257122, 305060, 514244, 642805, 899927, 1285610, 1799854, 2571220, 3599708, 4499635, 8999270, 17998540]

約数ペア:

[(1, 17998540), (2, 8999270), (4, 4499635), (5, 3599708), (7, 2571220), (10, 1799854), (14, 1285610), (20, 899927), (28, 642805), (35, 514244), (59, 305060), (70, 257122), (118, 152530), (140, 128561), (236, 76265), (295, 61012), (413, 43580), (590, 30506), (826, 21790), (1180, 15253), (1652, 10895), (2065, 8716), (2179, 8260), (4130, 4358)]