205100840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2213}}^1$

素因数の和:2562

約数の個数: 64

約数和(自身を含む): 529234560

約数和(自身を除く): 324133720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 331, 662, 1324, 1655, 2213, 2317, 2648, 3310, 4426, 4634, 6620, 8852, 9268, 11065, 11585, 13240, 15491, 17704, 18536, 22130, 23170, 30982, 44260, 46340, 61964, 77455, 88520, 92680, 123928, 154910, 309820, 619640, 732503, 1465006, 2930012, 3662515, 5127521, 5860024, 7325030, 10255042, 14650060, 20510084, 25637605, 29300120, 41020168, 51275210, 102550420, 205100840]

約数ペア:

[(1, 205100840), (2, 102550420), (4, 51275210), (5, 41020168), (7, 29300120), (8, 25637605), (10, 20510084), (14, 14650060), (20, 10255042), (28, 7325030), (35, 5860024), (40, 5127521), (56, 3662515), (70, 2930012), (140, 1465006), (280, 732503), (331, 619640), (662, 309820), (1324, 154910), (1655, 123928), (2213, 92680), (2317, 88520), (2648, 77455), (3310, 61964), (4426, 46340), (4634, 44260), (6620, 30982), (8852, 23170), (9268, 22130), (11065, 18536), (11585, 17704), (13240, 15491)]