202133780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{2521}}^1$

素因数の和:2760

約数の個数: 48

約数和(自身を含む): 449117760

約数和(自身を除く): 246983980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 211, 380, 422, 844, 1055, 2110, 2521, 4009, 4220, 5042, 8018, 10084, 12605, 16036, 20045, 25210, 40090, 47899, 50420, 80180, 95798, 191596, 239495, 478990, 531931, 957980, 1063862, 2127724, 2659655, 5319310, 10106689, 10638620, 20213378, 40426756, 50533445, 101066890, 202133780]

約数ペア:

[(1, 202133780), (2, 101066890), (4, 50533445), (5, 40426756), (10, 20213378), (19, 10638620), (20, 10106689), (38, 5319310), (76, 2659655), (95, 2127724), (190, 1063862), (211, 957980), (380, 531931), (422, 478990), (844, 239495), (1055, 191596), (2110, 95798), (2521, 80180), (4009, 50420), (4220, 47899), (5042, 40090), (8018, 25210), (10084, 20045), (12605, 16036)]