194890280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{374789}}^1$

素因数の和:374813

約数の個数: 32

約数和(自身を含む): 472235400

約数和(自身を除く): 277345120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 374789, 749578, 1499156, 1873945, 2998312, 3747890, 4872257, 7495780, 9744514, 14991560, 19489028, 24361285, 38978056, 48722570, 97445140, 194890280]

約数ペア:

[(1, 194890280), (2, 97445140), (4, 48722570), (5, 38978056), (8, 24361285), (10, 19489028), (13, 14991560), (20, 9744514), (26, 7495780), (40, 4872257), (52, 3747890), (65, 2998312), (104, 1873945), (130, 1499156), (260, 749578), (520, 374789)]