839511100

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{317}}^1\times {\mathrm{373}}^1$

素因数の和:775

約数の個数: 72

約数和(自身を含む): 1858193568

約数和(自身を除く): 1018682468

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 317, 355, 373, 634, 710, 746, 1268, 1420, 1492, 1585, 1775, 1865, 3170, 3550, 3730, 6340, 7100, 7460, 7925, 9325, 15850, 18650, 22507, 26483, 31700, 37300, 45014, 52966, 90028, 105932, 112535, 118241, 132415, 225070, 236482, 264830, 450140, 472964, 529660, 562675, 591205, 662075, 1125350, 1182410, 1324150, 2250700, 2364820, 2648300, 2956025, 5912050, 8395111, 11824100, 16790222, 33580444, 41975555, 83951110, 167902220, 209877775, 419755550, 839511100]

約数ペア:

[(1, 839511100), (2, 419755550), (4, 209877775), (5, 167902220), (10, 83951110), (20, 41975555), (25, 33580444), (50, 16790222), (71, 11824100), (100, 8395111), (142, 5912050), (284, 2956025), (317, 2648300), (355, 2364820), (373, 2250700), (634, 1324150), (710, 1182410), (746, 1125350), (1268, 662075), (1420, 591205), (1492, 562675), (1585, 529660), (1775, 472964), (1865, 450140), (3170, 264830), (3550, 236482), (3730, 225070), (6340, 132415), (7100, 118241), (7460, 112535), (7925, 105932), (9325, 90028), (15850, 52966), (18650, 45014), (22507, 37300), (26483, 31700)]