278300828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 593456640

約数和(自身を除く): 315155812

約数列:

[1, 2, 4, 13, 19, 23, 26, 37, 38, 46, 52, 74, 76, 92, 148, 247, 299, 331, 437, 481, 494, 598, 662, 703, 851, 874, 962, 988, 1196, 1324, 1406, 1702, 1748, 1924, 2812, 3404, 4303, 5681, 6289, 7613, 8606, 9139, 11063, 11362, 12247, 12578, 15226, 16169, 17212, 18278, 22126, 22724, 24494, 25156, 30452, 32338, 36556, 44252, 48988, 64676, 81757, 98969, 144647, 159211, 163514, 197938, 210197, 232693, 281681, 289294, 318422, 327028, 395876, 420394, 465386, 563362, 578588, 636844, 840788, 930772, 1126724, 1880411, 3025009, 3661853, 3760822, 5351939, 6050018, 7323706, 7521644, 10703878, 12100036, 14647412, 21407756, 69575207, 139150414, 278300828]

約数ペア:

[(1, 278300828), (2, 139150414), (4, 69575207), (13, 21407756), (19, 14647412), (23, 12100036), (26, 10703878), (37, 7521644), (38, 7323706), (46, 6050018), (52, 5351939), (74, 3760822), (76, 3661853), (92, 3025009), (148, 1880411), (247, 1126724), (299, 930772), (331, 840788), (437, 636844), (481, 578588), (494, 563362), (598, 465386), (662, 420394), (703, 395876), (851, 327028), (874, 318422), (962, 289294), (988, 281681), (1196, 232693), (1324, 210197), (1406, 197938), (1702, 163514), (1748, 159211), (1924, 144647), (2812, 98969), (3404, 81757), (4303, 64676), (5681, 48988), (6289, 44252), (7613, 36556), (8606, 32338), (9139, 30452), (11063, 25156), (11362, 24494), (12247, 22724), (12578, 22126), (15226, 18278), (16169, 17212)]