42005390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31583}}^1$

素因数の和:31616

約数の個数: 32

約数和(自身を含む): 90961920

約数和(自身を除く): 48956530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 31583, 63166, 157915, 221081, 315830, 442162, 600077, 1105405, 1200154, 2210810, 3000385, 4200539, 6000770, 8401078, 21002695, 42005390]

約数ペア:

[(1, 42005390), (2, 21002695), (5, 8401078), (7, 6000770), (10, 4200539), (14, 3000385), (19, 2210810), (35, 1200154), (38, 1105405), (70, 600077), (95, 442162), (133, 315830), (190, 221081), (266, 157915), (665, 63166), (1330, 31583)]