309526960

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{431}}^1$

素因数の和:682

約数の個数: 80

約数和(自身を含む): 740524032

約数和(自身を除く): 430997072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 191, 235, 376, 382, 431, 470, 752, 764, 862, 940, 955, 1528, 1724, 1880, 1910, 2155, 3056, 3448, 3760, 3820, 4310, 6896, 7640, 8620, 8977, 15280, 17240, 17954, 20257, 34480, 35908, 40514, 44885, 71816, 81028, 82321, 89770, 101285, 143632, 162056, 164642, 179540, 202570, 324112, 329284, 359080, 405140, 411605, 658568, 718160, 810280, 823210, 1317136, 1620560, 1646420, 3292840, 3869087, 6585680, 7738174, 15476348, 19345435, 30952696, 38690870, 61905392, 77381740, 154763480, 309526960]

約数ペア:

[(1, 309526960), (2, 154763480), (4, 77381740), (5, 61905392), (8, 38690870), (10, 30952696), (16, 19345435), (20, 15476348), (40, 7738174), (47, 6585680), (80, 3869087), (94, 3292840), (188, 1646420), (191, 1620560), (235, 1317136), (376, 823210), (382, 810280), (431, 718160), (470, 658568), (752, 411605), (764, 405140), (862, 359080), (940, 329284), (955, 324112), (1528, 202570), (1724, 179540), (1880, 164642), (1910, 162056), (2155, 143632), (3056, 101285), (3448, 89770), (3760, 82321), (3820, 81028), (4310, 71816), (6896, 44885), (7640, 40514), (8620, 35908), (8977, 34480), (15280, 20257), (17240, 17954)]