200517640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{601}}^1$

素因数の和:1070

約数の個数: 64

約数和(自身を含む): 476784000

約数和(自身を除く): 276266360

約数列:

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

約数ペア:

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