28955640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{34471}}^1$

素因数の和:34492

約数の個数: 64

約数和(自身を含む): 99279360

約数和(自身を除く): 70323720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 34471, 68942, 103413, 137884, 172355, 206826, 241297, 275768, 344710, 413652, 482594, 517065, 689420, 723891, 827304, 965188, 1034130, 1206485, 1378840, 1447782, 1930376, 2068260, 2412970, 2895564, 3619455, 4136520, 4825940, 5791128, 7238910, 9651880, 14477820, 28955640]

約数ペア:

[(1, 28955640), (2, 14477820), (3, 9651880), (4, 7238910), (5, 5791128), (6, 4825940), (7, 4136520), (8, 3619455), (10, 2895564), (12, 2412970), (14, 2068260), (15, 1930376), (20, 1447782), (21, 1378840), (24, 1206485), (28, 1034130), (30, 965188), (35, 827304), (40, 723891), (42, 689420), (56, 517065), (60, 482594), (70, 413652), (84, 344710), (105, 275768), (120, 241297), (140, 206826), (168, 172355), (210, 137884), (280, 103413), (420, 68942), (840, 34471)]