245421296

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:430

約数の個数: 80

約数和(自身を含む): 517490688

約数和(自身を除く): 272069392

約数列:

[1, 2, 4, 8, 16, 31, 37, 43, 62, 74, 86, 124, 148, 172, 248, 296, 311, 344, 496, 592, 622, 688, 1147, 1244, 1333, 1591, 2294, 2488, 2666, 3182, 4588, 4976, 5332, 6364, 9176, 9641, 10664, 11507, 12728, 13373, 18352, 19282, 21328, 23014, 25456, 26746, 38564, 46028, 49321, 53492, 77128, 92056, 98642, 106984, 154256, 184112, 197284, 213968, 356717, 394568, 414563, 494801, 713434, 789136, 829126, 989602, 1426868, 1658252, 1979204, 2853736, 3316504, 3958408, 5707472, 6633008, 7916816, 15338831, 30677662, 61355324, 122710648, 245421296]

約数ペア:

[(1, 245421296), (2, 122710648), (4, 61355324), (8, 30677662), (16, 15338831), (31, 7916816), (37, 6633008), (43, 5707472), (62, 3958408), (74, 3316504), (86, 2853736), (124, 1979204), (148, 1658252), (172, 1426868), (248, 989602), (296, 829126), (311, 789136), (344, 713434), (496, 494801), (592, 414563), (622, 394568), (688, 356717), (1147, 213968), (1244, 197284), (1333, 184112), (1591, 154256), (2294, 106984), (2488, 98642), (2666, 92056), (3182, 77128), (4588, 53492), (4976, 49321), (5332, 46028), (6364, 38564), (9176, 26746), (9641, 25456), (10664, 23014), (11507, 21328), (12728, 19282), (13373, 18352)]