769439360

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{19709}}^1$

素因数の和:19789

約数の個数: 64

約数和(自身を含む): 1869690600

約数和(自身を除く): 1100251240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2440, 3904, 4880, 7808, 9760, 19520, 19709, 39040, 39418, 78836, 98545, 157672, 197090, 315344, 394180, 630688, 788360, 1202249, 1261376, 1576720, 2404498, 2522752, 3153440, 4808996, 6011245, 6306880, 9617992, 12022490, 12613760, 19235984, 24044980, 38471968, 48089960, 76943936, 96179920, 153887872, 192359840, 384719680, 769439360]

約数ペア:

[(1, 769439360), (2, 384719680), (4, 192359840), (5, 153887872), (8, 96179920), (10, 76943936), (16, 48089960), (20, 38471968), (32, 24044980), (40, 19235984), (61, 12613760), (64, 12022490), (80, 9617992), (122, 6306880), (128, 6011245), (160, 4808996), (244, 3153440), (305, 2522752), (320, 2404498), (488, 1576720), (610, 1261376), (640, 1202249), (976, 788360), (1220, 630688), (1952, 394180), (2440, 315344), (3904, 197090), (4880, 157672), (7808, 98545), (9760, 78836), (19520, 39418), (19709, 39040)]