142748270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{317}}^1\times {\mathrm{919}}^1$

素因数の和:1257

約数の個数: 48

約数和(自身を含む): 300166560

約数和(自身を除く): 157418290

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 317, 490, 634, 919, 1585, 1838, 2219, 3170, 4438, 4595, 6433, 9190, 11095, 12866, 15533, 22190, 31066, 32165, 45031, 64330, 77665, 90062, 155330, 225155, 291323, 450310, 582646, 1456615, 2039261, 2913230, 4078522, 10196305, 14274827, 20392610, 28549654, 71374135, 142748270]

約数ペア:

[(1, 142748270), (2, 71374135), (5, 28549654), (7, 20392610), (10, 14274827), (14, 10196305), (35, 4078522), (49, 2913230), (70, 2039261), (98, 1456615), (245, 582646), (317, 450310), (490, 291323), (634, 225155), (919, 155330), (1585, 90062), (1838, 77665), (2219, 64330), (3170, 45031), (4438, 32165), (4595, 31066), (6433, 22190), (9190, 15533), (11095, 12866)]