289703120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{30431}}^1$

素因数の和:30468

約数の個数: 80

約数和(自身を含む): 815090688

約数和(自身を除く): 525387568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 9520, 30431, 60862, 121724, 152155, 213017, 243448, 304310, 426034, 486896, 517327, 608620, 852068, 1034654, 1065085, 1217240, 1704136, 2069308, 2130170, 2434480, 2586635, 3408272, 3621289, 4138616, 4260340, 5173270, 7242578, 8277232, 8520680, 10346540, 14485156, 17041360, 18106445, 20693080, 28970312, 36212890, 41386160, 57940624, 72425780, 144851560, 289703120]

約数ペア:

[(1, 289703120), (2, 144851560), (4, 72425780), (5, 57940624), (7, 41386160), (8, 36212890), (10, 28970312), (14, 20693080), (16, 18106445), (17, 17041360), (20, 14485156), (28, 10346540), (34, 8520680), (35, 8277232), (40, 7242578), (56, 5173270), (68, 4260340), (70, 4138616), (80, 3621289), (85, 3408272), (112, 2586635), (119, 2434480), (136, 2130170), (140, 2069308), (170, 1704136), (238, 1217240), (272, 1065085), (280, 1034654), (340, 852068), (476, 608620), (560, 517327), (595, 486896), (680, 426034), (952, 304310), (1190, 243448), (1360, 213017), (1904, 152155), (2380, 121724), (4760, 60862), (9520, 30431)]