401035280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{601}}^1$

素因数の和:1072

約数の個数: 80

約数和(自身を含む): 985353600

約数和(自身を除く): 584318320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 439, 601, 760, 878, 1202, 1520, 1756, 2195, 2404, 3005, 3512, 4390, 4808, 6010, 7024, 8341, 8780, 9616, 11419, 12020, 16682, 17560, 22838, 24040, 33364, 35120, 41705, 45676, 48080, 57095, 66728, 83410, 91352, 114190, 133456, 166820, 182704, 228380, 263839, 333640, 456760, 527678, 667280, 913520, 1055356, 1319195, 2110712, 2638390, 4221424, 5012941, 5276780, 10025882, 10553560, 20051764, 21107120, 25064705, 40103528, 50129410, 80207056, 100258820, 200517640, 401035280]

約数ペア:

[(1, 401035280), (2, 200517640), (4, 100258820), (5, 80207056), (8, 50129410), (10, 40103528), (16, 25064705), (19, 21107120), (20, 20051764), (38, 10553560), (40, 10025882), (76, 5276780), (80, 5012941), (95, 4221424), (152, 2638390), (190, 2110712), (304, 1319195), (380, 1055356), (439, 913520), (601, 667280), (760, 527678), (878, 456760), (1202, 333640), (1520, 263839), (1756, 228380), (2195, 182704), (2404, 166820), (3005, 133456), (3512, 114190), (4390, 91352), (4808, 83410), (6010, 66728), (7024, 57095), (8341, 48080), (8780, 45676), (9616, 41705), (11419, 35120), (12020, 33364), (16682, 24040), (17560, 22838)]