398440020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{1321}}^1$

素因数の和:1801

約数の個数: 96

約数和(自身を含む): 1220639616

約数和(自身を除く): 822199596

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 457, 660, 914, 1321, 1371, 1828, 2285, 2642, 2742, 3963, 4570, 5027, 5284, 5484, 6605, 6855, 7926, 9140, 10054, 13210, 13710, 14531, 15081, 15852, 19815, 20108, 25135, 26420, 27420, 29062, 30162, 39630, 43593, 50270, 58124, 60324, 72655, 75405, 79260, 87186, 100540, 145310, 150810, 174372, 217965, 290620, 301620, 435930, 603697, 871860, 1207394, 1811091, 2414788, 3018485, 3622182, 6036970, 6640667, 7244364, 9055455, 12073940, 13281334, 18110910, 19922001, 26562668, 33203335, 36221820, 39844002, 66406670, 79688004, 99610005, 132813340, 199220010, 398440020]

約数ペア:

[(1, 398440020), (2, 199220010), (3, 132813340), (4, 99610005), (5, 79688004), (6, 66406670), (10, 39844002), (11, 36221820), (12, 33203335), (15, 26562668), (20, 19922001), (22, 18110910), (30, 13281334), (33, 12073940), (44, 9055455), (55, 7244364), (60, 6640667), (66, 6036970), (110, 3622182), (132, 3018485), (165, 2414788), (220, 1811091), (330, 1207394), (457, 871860), (660, 603697), (914, 435930), (1321, 301620), (1371, 290620), (1828, 217965), (2285, 174372), (2642, 150810), (2742, 145310), (3963, 100540), (4570, 87186), (5027, 79260), (5284, 75405), (5484, 72655), (6605, 60324), (6855, 58124), (7926, 50270), (9140, 43593), (10054, 39630), (13210, 30162), (13710, 29062), (14531, 27420), (15081, 26420), (15852, 25135), (19815, 20108)]