137540360

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{56369}}^1$

素因数の和:56441

約数の個数: 32

約数和(自身を含む): 314544600

約数和(自身を除く): 177004240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 56369, 112738, 225476, 281845, 450952, 563690, 1127380, 2254760, 3438509, 6877018, 13754036, 17192545, 27508072, 34385090, 68770180, 137540360]

約数ペア:

[(1, 137540360), (2, 68770180), (4, 34385090), (5, 27508072), (8, 17192545), (10, 13754036), (20, 6877018), (40, 3438509), (61, 2254760), (122, 1127380), (244, 563690), (305, 450952), (488, 281845), (610, 225476), (1220, 112738), (2440, 56369)]