202121380

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{3847}}^1$

素因数の和:3964

約数の個数: 48

約数和(自身を含む): 442181376

約数和(自身を除く): 240059996

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 355, 370, 710, 740, 1420, 2627, 3847, 5254, 7694, 10508, 13135, 15388, 19235, 26270, 38470, 52540, 76940, 142339, 273137, 284678, 546274, 569356, 711695, 1092548, 1365685, 1423390, 2731370, 2846780, 5462740, 10106069, 20212138, 40424276, 50530345, 101060690, 202121380]

約数ペア:

[(1, 202121380), (2, 101060690), (4, 50530345), (5, 40424276), (10, 20212138), (20, 10106069), (37, 5462740), (71, 2846780), (74, 2731370), (142, 1423390), (148, 1365685), (185, 1092548), (284, 711695), (355, 569356), (370, 546274), (710, 284678), (740, 273137), (1420, 142339), (2627, 76940), (3847, 52540), (5254, 38470), (7694, 26270), (10508, 19235), (13135, 15388)]