2019290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 4567752

約数和(自身を除く): 2548462

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 317, 455, 490, 634, 637, 910, 1274, 1585, 2219, 3170, 3185, 4121, 4438, 6370, 8242, 11095, 15533, 20605, 22190, 28847, 31066, 41210, 57694, 77665, 144235, 155330, 201929, 288470, 403858, 1009645, 2019290]

約数ペア:

[(1, 2019290), (2, 1009645), (5, 403858), (7, 288470), (10, 201929), (13, 155330), (14, 144235), (26, 77665), (35, 57694), (49, 41210), (65, 31066), (70, 28847), (91, 22190), (98, 20605), (130, 15533), (182, 11095), (245, 8242), (317, 6370), (455, 4438), (490, 4121), (634, 3185), (637, 3170), (910, 2219), (1274, 1585)]