209412440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{601}}^1$

素因数の和:924

約数の個数: 64

約数和(自身を含む): 488920320

約数和(自身を除く): 279507880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 281, 310, 562, 601, 620, 1124, 1202, 1240, 1405, 2248, 2404, 2810, 3005, 4808, 5620, 6010, 8711, 11240, 12020, 17422, 18631, 24040, 34844, 37262, 43555, 69688, 74524, 87110, 93155, 149048, 168881, 174220, 186310, 337762, 348440, 372620, 675524, 745240, 844405, 1351048, 1688810, 3377620, 5235311, 6755240, 10470622, 20941244, 26176555, 41882488, 52353110, 104706220, 209412440]

約数ペア:

[(1, 209412440), (2, 104706220), (4, 52353110), (5, 41882488), (8, 26176555), (10, 20941244), (20, 10470622), (31, 6755240), (40, 5235311), (62, 3377620), (124, 1688810), (155, 1351048), (248, 844405), (281, 745240), (310, 675524), (562, 372620), (601, 348440), (620, 337762), (1124, 186310), (1202, 174220), (1240, 168881), (1405, 149048), (2248, 93155), (2404, 87110), (2810, 74524), (3005, 69688), (4808, 43555), (5620, 37262), (6010, 34844), (8711, 24040), (11240, 18631), (12020, 17422)]