172370900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1979}}^1$

素因数の和:2073

約数の個数: 72

約数和(自身を含む): 409036320

約数和(自身を除く): 236665420

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 67, 100, 130, 134, 260, 268, 325, 335, 650, 670, 871, 1300, 1340, 1675, 1742, 1979, 3350, 3484, 3958, 4355, 6700, 7916, 8710, 9895, 17420, 19790, 21775, 25727, 39580, 43550, 49475, 51454, 87100, 98950, 102908, 128635, 132593, 197900, 257270, 265186, 514540, 530372, 643175, 662965, 1286350, 1325930, 1723709, 2572700, 2651860, 3314825, 3447418, 6629650, 6894836, 8618545, 13259300, 17237090, 34474180, 43092725, 86185450, 172370900]

約数ペア:

[(1, 172370900), (2, 86185450), (4, 43092725), (5, 34474180), (10, 17237090), (13, 13259300), (20, 8618545), (25, 6894836), (26, 6629650), (50, 3447418), (52, 3314825), (65, 2651860), (67, 2572700), (100, 1723709), (130, 1325930), (134, 1286350), (260, 662965), (268, 643175), (325, 530372), (335, 514540), (650, 265186), (670, 257270), (871, 197900), (1300, 132593), (1340, 128635), (1675, 102908), (1742, 98950), (1979, 87100), (3350, 51454), (3484, 49475), (3958, 43550), (4355, 39580), (6700, 25727), (7916, 21775), (8710, 19790), (9895, 17420)]