228609880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:409

約数の個数: 128

約数和(自身を含む): 582266880

約数和(自身を除く): 353657000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 47, 68, 85, 92, 94, 115, 136, 170, 184, 188, 230, 235, 311, 340, 376, 391, 460, 470, 622, 680, 782, 799, 920, 940, 1081, 1244, 1555, 1564, 1598, 1880, 1955, 2162, 2488, 3110, 3128, 3196, 3910, 3995, 4324, 5287, 5405, 6220, 6392, 7153, 7820, 7990, 8648, 10574, 10810, 12440, 14306, 14617, 15640, 15980, 18377, 21148, 21620, 26435, 28612, 29234, 31960, 35765, 36754, 42296, 43240, 52870, 57224, 58468, 71530, 73085, 73508, 91885, 105740, 116936, 121601, 143060, 146170, 147016, 183770, 211480, 243202, 248489, 286120, 292340, 336191, 367540, 486404, 496978, 584680, 608005, 672382, 735080, 972808, 993956, 1216010, 1242445, 1344764, 1680955, 1987912, 2432020, 2484890, 2689528, 3361910, 4864040, 4969780, 5715247, 6723820, 9939560, 11430494, 13447640, 22860988, 28576235, 45721976, 57152470, 114304940, 228609880]

約数ペア:

[(1, 228609880), (2, 114304940), (4, 57152470), (5, 45721976), (8, 28576235), (10, 22860988), (17, 13447640), (20, 11430494), (23, 9939560), (34, 6723820), (40, 5715247), (46, 4969780), (47, 4864040), (68, 3361910), (85, 2689528), (92, 2484890), (94, 2432020), (115, 1987912), (136, 1680955), (170, 1344764), (184, 1242445), (188, 1216010), (230, 993956), (235, 972808), (311, 735080), (340, 672382), (376, 608005), (391, 584680), (460, 496978), (470, 486404), (622, 367540), (680, 336191), (782, 292340), (799, 286120), (920, 248489), (940, 243202), (1081, 211480), (1244, 183770), (1555, 147016), (1564, 146170), (1598, 143060), (1880, 121601), (1955, 116936), (2162, 105740), (2488, 91885), (3110, 73508), (3128, 73085), (3196, 71530), (3910, 58468), (3995, 57224), (4324, 52870), (5287, 43240), (5405, 42296), (6220, 36754), (6392, 35765), (7153, 31960), (7820, 29234), (7990, 28612), (8648, 26435), (10574, 21620), (10810, 21148), (12440, 18377), (14306, 15980), (14617, 15640)]