280149004772

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{493043}}^1$

素因数の和:493297

約数の個数: 72

約数和(自身を含む): 616928207616

約数和(自身を除く): 336779202844

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 223, 364, 446, 637, 892, 1274, 1561, 2548, 2899, 3122, 5798, 6244, 10927, 11596, 20293, 21854, 40586, 43708, 81172, 142051, 284102, 493043, 568204, 986086, 1972172, 3451301, 6409559, 6902602, 12819118, 13805204, 24159107, 25638236, 44866913, 48318214, 89733826, 96636428, 109948589, 179467652, 219897178, 314068391, 439794356, 628136782, 769640123, 1256273564, 1429331657, 1539280246, 2858663314, 3078560492, 5387480861, 5717326628, 10005321599, 10774961722, 20010643198, 21549923444, 40021286396, 70037251193, 140074502386, 280149004772]

約数ペア:

[(1, 280149004772), (2, 140074502386), (4, 70037251193), (7, 40021286396), (13, 21549923444), (14, 20010643198), (26, 10774961722), (28, 10005321599), (49, 5717326628), (52, 5387480861), (91, 3078560492), (98, 2858663314), (182, 1539280246), (196, 1429331657), (223, 1256273564), (364, 769640123), (446, 628136782), (637, 439794356), (892, 314068391), (1274, 219897178), (1561, 179467652), (2548, 109948589), (2899, 96636428), (3122, 89733826), (5798, 48318214), (6244, 44866913), (10927, 25638236), (11596, 24159107), (20293, 13805204), (21854, 12819118), (40586, 6902602), (43708, 6409559), (81172, 3451301), (142051, 1972172), (284102, 986086), (493043, 568204)]