444680240

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1\times {\mathrm{311}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 1057807296

約数和(自身を除く): 613127056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 293, 305, 311, 488, 586, 610, 622, 976, 1172, 1220, 1244, 1465, 1555, 2344, 2440, 2488, 2930, 3110, 4688, 4880, 4976, 5860, 6220, 11720, 12440, 17873, 18971, 23440, 24880, 35746, 37942, 71492, 75884, 89365, 91123, 94855, 142984, 151768, 178730, 182246, 189710, 285968, 303536, 357460, 364492, 379420, 455615, 714920, 728984, 758840, 911230, 1429840, 1457968, 1517680, 1822460, 3644920, 5558503, 7289840, 11117006, 22234012, 27792515, 44468024, 55585030, 88936048, 111170060, 222340120, 444680240]

約数ペア:

[(1, 444680240), (2, 222340120), (4, 111170060), (5, 88936048), (8, 55585030), (10, 44468024), (16, 27792515), (20, 22234012), (40, 11117006), (61, 7289840), (80, 5558503), (122, 3644920), (244, 1822460), (293, 1517680), (305, 1457968), (311, 1429840), (488, 911230), (586, 758840), (610, 728984), (622, 714920), (976, 455615), (1172, 379420), (1220, 364492), (1244, 357460), (1465, 303536), (1555, 285968), (2344, 189710), (2440, 182246), (2488, 178730), (2930, 151768), (3110, 142984), (4688, 94855), (4880, 91123), (4976, 89365), (5860, 75884), (6220, 71492), (11720, 37942), (12440, 35746), (17873, 24880), (18971, 23440)]