84390040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17729}}^1$

素因数の和:17764

約数の個数: 64

約数和(自身を含む): 229780800

約数和(自身を除く): 145390760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 17729, 35458, 70916, 88645, 124103, 141832, 177290, 248206, 301393, 354580, 496412, 602786, 620515, 709160, 992824, 1205572, 1241030, 1506965, 2109751, 2411144, 2482060, 3013930, 4219502, 4964120, 6027860, 8439004, 10548755, 12055720, 16878008, 21097510, 42195020, 84390040]

約数ペア:

[(1, 84390040), (2, 42195020), (4, 21097510), (5, 16878008), (7, 12055720), (8, 10548755), (10, 8439004), (14, 6027860), (17, 4964120), (20, 4219502), (28, 3013930), (34, 2482060), (35, 2411144), (40, 2109751), (56, 1506965), (68, 1241030), (70, 1205572), (85, 992824), (119, 709160), (136, 620515), (140, 602786), (170, 496412), (238, 354580), (280, 301393), (340, 248206), (476, 177290), (595, 141832), (680, 124103), (952, 88645), (1190, 70916), (2380, 35458), (4760, 17729)]