397987020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{245671}}^1$

素因数の和:245692

約数の個数: 60

約数和(自身を含む): 1248505104

約数和(自身を除く): 850518084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 245671, 491342, 737013, 982684, 1228355, 1474026, 2211039, 2456710, 2948052, 3685065, 4422078, 4913420, 6633117, 7370130, 8844156, 11055195, 13266234, 14740260, 19899351, 22110390, 26532468, 33165585, 39798702, 44220780, 66331170, 79597404, 99496755, 132662340, 198993510, 397987020]

約数ペア:

[(1, 397987020), (2, 198993510), (3, 132662340), (4, 99496755), (5, 79597404), (6, 66331170), (9, 44220780), (10, 39798702), (12, 33165585), (15, 26532468), (18, 22110390), (20, 19899351), (27, 14740260), (30, 13266234), (36, 11055195), (45, 8844156), (54, 7370130), (60, 6633117), (81, 4913420), (90, 4422078), (108, 3685065), (135, 2948052), (162, 2456710), (180, 2211039), (270, 1474026), (324, 1228355), (405, 982684), (540, 737013), (810, 491342), (1620, 245671)]