8909320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{677}}^1$

素因数の和:742

約数の個数: 64

約数和(自身を含む): 23431680

約数和(自身を除く): 14522360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 677, 940, 1316, 1354, 1645, 1880, 2632, 2708, 3290, 3385, 4739, 5416, 6580, 6770, 9478, 13160, 13540, 18956, 23695, 27080, 31819, 37912, 47390, 63638, 94780, 127276, 159095, 189560, 222733, 254552, 318190, 445466, 636380, 890932, 1113665, 1272760, 1781864, 2227330, 4454660, 8909320]

約数ペア:

[(1, 8909320), (2, 4454660), (4, 2227330), (5, 1781864), (7, 1272760), (8, 1113665), (10, 890932), (14, 636380), (20, 445466), (28, 318190), (35, 254552), (40, 222733), (47, 189560), (56, 159095), (70, 127276), (94, 94780), (140, 63638), (188, 47390), (235, 37912), (280, 31819), (329, 27080), (376, 23695), (470, 18956), (658, 13540), (677, 13160), (940, 9478), (1316, 6770), (1354, 6580), (1645, 5416), (1880, 4739), (2632, 3385), (2708, 3290)]