28962980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{797}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 64350720

約数和(自身を除く): 35387740

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 790, 797, 1580, 1594, 1817, 3188, 3634, 3985, 7268, 7970, 9085, 15940, 18170, 18331, 36340, 36662, 62963, 73324, 91655, 125926, 183310, 251852, 314815, 366620, 629630, 1259260, 1448149, 2896298, 5792596, 7240745, 14481490, 28962980]

約数ペア:

[(1, 28962980), (2, 14481490), (4, 7240745), (5, 5792596), (10, 2896298), (20, 1448149), (23, 1259260), (46, 629630), (79, 366620), (92, 314815), (115, 251852), (158, 183310), (230, 125926), (316, 91655), (395, 73324), (460, 62963), (790, 36662), (797, 36340), (1580, 18331), (1594, 18170), (1817, 15940), (3188, 9085), (3634, 7970), (3985, 7268)]