1421060980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{65729}}^1$

素因数の和:65808

約数の個数: 48

約数和(自身を含む): 3180280320

約数和(自身を除く): 1759219340

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 2162, 4324, 5405, 10810, 21620, 65729, 131458, 262916, 328645, 657290, 1314580, 1511767, 3023534, 3089263, 6047068, 6178526, 7558835, 12357052, 15117670, 15446315, 30235340, 30892630, 61785260, 71053049, 142106098, 284212196, 355265245, 710530490, 1421060980]

約数ペア:

[(1, 1421060980), (2, 710530490), (4, 355265245), (5, 284212196), (10, 142106098), (20, 71053049), (23, 61785260), (46, 30892630), (47, 30235340), (92, 15446315), (94, 15117670), (115, 12357052), (188, 7558835), (230, 6178526), (235, 6047068), (460, 3089263), (470, 3023534), (940, 1511767), (1081, 1314580), (2162, 657290), (4324, 328645), (5405, 262916), (10810, 131458), (21620, 65729)]