2489203640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{11071}}^1$

素因数の和:11173

約数の個数: 128

約数和(自身を含む): 7078993920

約数和(自身を除く): 4589790280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 73, 77, 88, 110, 140, 146, 154, 220, 280, 292, 308, 365, 385, 440, 511, 584, 616, 730, 770, 803, 1022, 1460, 1540, 1606, 2044, 2555, 2920, 3080, 3212, 4015, 4088, 5110, 5621, 6424, 8030, 10220, 11071, 11242, 16060, 20440, 22142, 22484, 28105, 32120, 44284, 44968, 55355, 56210, 77497, 88568, 110710, 112420, 121781, 154994, 221420, 224840, 243562, 309988, 387485, 442840, 487124, 608905, 619976, 774970, 808183, 852467, 974248, 1217810, 1549940, 1616366, 1704934, 2435620, 3099880, 3232732, 3409868, 4040915, 4262335, 4871240, 5657281, 6465464, 6819736, 8081830, 8524670, 8890013, 11314562, 16163660, 17049340, 17780026, 22629124, 28286405, 32327320, 34098680, 35560052, 44450065, 45258248, 56572810, 62230091, 71120104, 88900130, 113145620, 124460182, 177800260, 226291240, 248920364, 311150455, 355600520, 497840728, 622300910, 1244601820, 2489203640]

約数ペア:

[(1, 2489203640), (2, 1244601820), (4, 622300910), (5, 497840728), (7, 355600520), (8, 311150455), (10, 248920364), (11, 226291240), (14, 177800260), (20, 124460182), (22, 113145620), (28, 88900130), (35, 71120104), (40, 62230091), (44, 56572810), (55, 45258248), (56, 44450065), (70, 35560052), (73, 34098680), (77, 32327320), (88, 28286405), (110, 22629124), (140, 17780026), (146, 17049340), (154, 16163660), (220, 11314562), (280, 8890013), (292, 8524670), (308, 8081830), (365, 6819736), (385, 6465464), (440, 5657281), (511, 4871240), (584, 4262335), (616, 4040915), (730, 3409868), (770, 3232732), (803, 3099880), (1022, 2435620), (1460, 1704934), (1540, 1616366), (1606, 1549940), (2044, 1217810), (2555, 974248), (2920, 852467), (3080, 808183), (3212, 774970), (4015, 619976), (4088, 608905), (5110, 487124), (5621, 442840), (6424, 387485), (8030, 309988), (10220, 243562), (11071, 224840), (11242, 221420), (16060, 154994), (20440, 121781), (22142, 112420), (22484, 110710), (28105, 88568), (32120, 77497), (44284, 56210), (44968, 55355)]