201437560

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{21991}}^1$

素因数の和:22231

約数の個数: 32

約数和(自身を含む): 455234400

約数和(自身を除く): 253796840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 9160, 21991, 43982, 87964, 109955, 175928, 219910, 439820, 879640, 5035939, 10071878, 20143756, 25179695, 40287512, 50359390, 100718780, 201437560]

約数ペア:

[(1, 201437560), (2, 100718780), (4, 50359390), (5, 40287512), (8, 25179695), (10, 20143756), (20, 10071878), (40, 5035939), (229, 879640), (458, 439820), (916, 219910), (1145, 175928), (1832, 109955), (2290, 87964), (4580, 43982), (9160, 21991)]