208183760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{136963}}^1$

素因数の和:136995

約数の個数: 40

約数和(自身を含む): 509506080

約数和(自身を除く): 301322320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 136963, 273926, 547852, 684815, 1095704, 1369630, 2191408, 2602297, 2739260, 5204594, 5478520, 10409188, 10957040, 13011485, 20818376, 26022970, 41636752, 52045940, 104091880, 208183760]

約数ペア:

[(1, 208183760), (2, 104091880), (4, 52045940), (5, 41636752), (8, 26022970), (10, 20818376), (16, 13011485), (19, 10957040), (20, 10409188), (38, 5478520), (40, 5204594), (76, 2739260), (80, 2602297), (95, 2191408), (152, 1369630), (190, 1095704), (304, 684815), (380, 547852), (760, 273926), (1520, 136963)]