202131880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{839}}^1$

素因数の和:1186

約数の個数: 64

約数和(自身を含む): 480816000

約数和(自身を除く): 278684120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 317, 380, 634, 760, 839, 1268, 1585, 1678, 2536, 3170, 3356, 4195, 6023, 6340, 6712, 8390, 12046, 12680, 15941, 16780, 24092, 30115, 31882, 33560, 48184, 60230, 63764, 79705, 120460, 127528, 159410, 240920, 265963, 318820, 531926, 637640, 1063852, 1329815, 2127704, 2659630, 5053297, 5319260, 10106594, 10638520, 20213188, 25266485, 40426376, 50532970, 101065940, 202131880]

約数ペア:

[(1, 202131880), (2, 101065940), (4, 50532970), (5, 40426376), (8, 25266485), (10, 20213188), (19, 10638520), (20, 10106594), (38, 5319260), (40, 5053297), (76, 2659630), (95, 2127704), (152, 1329815), (190, 1063852), (317, 637640), (380, 531926), (634, 318820), (760, 265963), (839, 240920), (1268, 159410), (1585, 127528), (1678, 120460), (2536, 79705), (3170, 63764), (3356, 60230), (4195, 48184), (6023, 33560), (6340, 31882), (6712, 30115), (8390, 24092), (12046, 16780), (12680, 15941)]