11481990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{499}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 30240000

約数和(自身を除く): 18758010

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 59, 65, 78, 118, 130, 177, 195, 295, 354, 390, 499, 590, 767, 885, 998, 1497, 1534, 1770, 2301, 2495, 2994, 3835, 4602, 4990, 6487, 7485, 7670, 11505, 12974, 14970, 19461, 23010, 29441, 32435, 38922, 58882, 64870, 88323, 97305, 147205, 176646, 194610, 294410, 382733, 441615, 765466, 883230, 1148199, 1913665, 2296398, 3827330, 5740995, 11481990]

約数ペア:

[(1, 11481990), (2, 5740995), (3, 3827330), (5, 2296398), (6, 1913665), (10, 1148199), (13, 883230), (15, 765466), (26, 441615), (30, 382733), (39, 294410), (59, 194610), (65, 176646), (78, 147205), (118, 97305), (130, 88323), (177, 64870), (195, 58882), (295, 38922), (354, 32435), (390, 29441), (499, 23010), (590, 19461), (767, 14970), (885, 12974), (998, 11505), (1497, 7670), (1534, 7485), (1770, 6487), (2301, 4990), (2495, 4602), (2994, 3835)]