204444560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{134503}}^1$

素因数の和:134535

約数の個数: 40

約数和(自身を含む): 500354880

約数和(自身を除く): 295910320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 134503, 269006, 538012, 672515, 1076024, 1345030, 2152048, 2555557, 2690060, 5111114, 5380120, 10222228, 10760240, 12777785, 20444456, 25555570, 40888912, 51111140, 102222280, 204444560]

約数ペア:

[(1, 204444560), (2, 102222280), (4, 51111140), (5, 40888912), (8, 25555570), (10, 20444456), (16, 12777785), (19, 10760240), (20, 10222228), (38, 5380120), (40, 5111114), (76, 2690060), (80, 2555557), (95, 2152048), (152, 1345030), (190, 1076024), (304, 672515), (380, 538012), (760, 269006), (1520, 134503)]