353242840

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{81019}}^1$

素因数の和:81139

約数の個数: 32

約数和(自身を含む): 802098000

約数和(自身を除く): 448855160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 81019, 162038, 324076, 405095, 648152, 810190, 1620380, 3240760, 8831071, 17662142, 35324284, 44155355, 70648568, 88310710, 176621420, 353242840]

約数ペア:

[(1, 353242840), (2, 176621420), (4, 88310710), (5, 70648568), (8, 44155355), (10, 35324284), (20, 17662142), (40, 8831071), (109, 3240760), (218, 1620380), (436, 810190), (545, 648152), (872, 405095), (1090, 324076), (2180, 162038), (4360, 81019)]