353249900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2089}}^1$

素因数の和:2211

約数の個数: 72

約数和(自身を含む): 816354000

約数和(自身を除く): 463104100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 89, 95, 100, 178, 190, 356, 380, 445, 475, 890, 950, 1691, 1780, 1900, 2089, 2225, 3382, 4178, 4450, 6764, 8356, 8455, 8900, 10445, 16910, 20890, 33820, 39691, 41780, 42275, 52225, 79382, 84550, 104450, 158764, 169100, 185921, 198455, 208900, 371842, 396910, 743684, 793820, 929605, 992275, 1859210, 1984550, 3532499, 3718420, 3969100, 4648025, 7064998, 9296050, 14129996, 17662495, 18592100, 35324990, 70649980, 88312475, 176624950, 353249900]

約数ペア:

[(1, 353249900), (2, 176624950), (4, 88312475), (5, 70649980), (10, 35324990), (19, 18592100), (20, 17662495), (25, 14129996), (38, 9296050), (50, 7064998), (76, 4648025), (89, 3969100), (95, 3718420), (100, 3532499), (178, 1984550), (190, 1859210), (356, 992275), (380, 929605), (445, 793820), (475, 743684), (890, 396910), (950, 371842), (1691, 208900), (1780, 198455), (1900, 185921), (2089, 169100), (2225, 158764), (3382, 104450), (4178, 84550), (4450, 79382), (6764, 52225), (8356, 42275), (8455, 41780), (8900, 39691), (10445, 33820), (16910, 20890)]