280135310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{4217}}^1$

素因数の和:4317

約数の個数: 64

約数和(自身を含む): 629258112

約数和(自身を除く): 349122802

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 73, 91, 130, 146, 182, 365, 455, 511, 730, 910, 949, 1022, 1898, 2555, 4217, 4745, 5110, 6643, 8434, 9490, 13286, 21085, 29519, 33215, 42170, 54821, 59038, 66430, 109642, 147595, 274105, 295190, 307841, 383747, 548210, 615682, 767494, 1539205, 1918735, 2154887, 3078410, 3837470, 4001933, 4309774, 8003866, 10774435, 20009665, 21548870, 28013531, 40019330, 56027062, 140067655, 280135310]

約数ペア:

[(1, 280135310), (2, 140067655), (5, 56027062), (7, 40019330), (10, 28013531), (13, 21548870), (14, 20009665), (26, 10774435), (35, 8003866), (65, 4309774), (70, 4001933), (73, 3837470), (91, 3078410), (130, 2154887), (146, 1918735), (182, 1539205), (365, 767494), (455, 615682), (511, 548210), (730, 383747), (910, 307841), (949, 295190), (1022, 274105), (1898, 147595), (2555, 109642), (4217, 66430), (4745, 59038), (5110, 54821), (6643, 42170), (8434, 33215), (9490, 29519), (13286, 21085)]