279914004

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:410

約数の個数: 144

約数和(自身を含む): 789268480

約数和(自身を除く): 509354476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 43, 57, 62, 76, 86, 93, 114, 124, 129, 171, 172, 186, 228, 258, 279, 307, 342, 372, 387, 516, 558, 589, 614, 684, 774, 817, 921, 1116, 1178, 1228, 1333, 1548, 1634, 1767, 1842, 2356, 2451, 2666, 2763, 3268, 3534, 3684, 3999, 4902, 5301, 5332, 5526, 5833, 7068, 7353, 7998, 9517, 9804, 10602, 11052, 11666, 11997, 13201, 14706, 15996, 17499, 19034, 21204, 23332, 23994, 25327, 26402, 28551, 29412, 34998, 38068, 39603, 47988, 50654, 52497, 52804, 57102, 69996, 75981, 79206, 85653, 101308, 104994, 114204, 118809, 151962, 158412, 171306, 180823, 209988, 227943, 237618, 250819, 303924, 342612, 361646, 409231, 455886, 475236, 501638, 542469, 723292, 752457, 818462, 911772, 1003276, 1084938, 1227693, 1504914, 1627407, 1636924, 2169876, 2257371, 2455386, 3009828, 3254814, 3683079, 4514742, 4910772, 6509628, 7366158, 7775389, 9029484, 14732316, 15550778, 23326167, 31101556, 46652334, 69978501, 93304668, 139957002, 279914004]

約数ペア:

[(1, 279914004), (2, 139957002), (3, 93304668), (4, 69978501), (6, 46652334), (9, 31101556), (12, 23326167), (18, 15550778), (19, 14732316), (31, 9029484), (36, 7775389), (38, 7366158), (43, 6509628), (57, 4910772), (62, 4514742), (76, 3683079), (86, 3254814), (93, 3009828), (114, 2455386), (124, 2257371), (129, 2169876), (171, 1636924), (172, 1627407), (186, 1504914), (228, 1227693), (258, 1084938), (279, 1003276), (307, 911772), (342, 818462), (372, 752457), (387, 723292), (516, 542469), (558, 501638), (589, 475236), (614, 455886), (684, 409231), (774, 361646), (817, 342612), (921, 303924), (1116, 250819), (1178, 237618), (1228, 227943), (1333, 209988), (1548, 180823), (1634, 171306), (1767, 158412), (1842, 151962), (2356, 118809), (2451, 114204), (2666, 104994), (2763, 101308), (3268, 85653), (3534, 79206), (3684, 75981), (3999, 69996), (4902, 57102), (5301, 52804), (5332, 52497), (5526, 50654), (5833, 47988), (7068, 39603), (7353, 38068), (7998, 34998), (9517, 29412), (9804, 28551), (10602, 26402), (11052, 25327), (11666, 23994), (11997, 23332), (13201, 21204), (14706, 19034), (15996, 17499)]