89792920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 245514240

約数和(自身を除く): 155721320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 73, 92, 115, 140, 146, 161, 184, 191, 230, 280, 292, 322, 365, 382, 460, 511, 584, 644, 730, 764, 805, 920, 955, 1022, 1288, 1337, 1460, 1528, 1610, 1679, 1910, 2044, 2555, 2674, 2920, 3220, 3358, 3820, 4088, 4393, 5110, 5348, 6440, 6685, 6716, 7640, 8395, 8786, 10220, 10696, 11753, 13370, 13432, 13943, 16790, 17572, 20440, 21965, 23506, 26740, 27886, 30751, 33580, 35144, 43930, 47012, 53480, 55772, 58765, 61502, 67160, 69715, 87860, 94024, 97601, 111544, 117530, 123004, 139430, 153755, 175720, 195202, 235060, 246008, 278860, 307510, 320689, 390404, 470120, 488005, 557720, 615020, 641378, 780808, 976010, 1230040, 1282756, 1603445, 1952020, 2244823, 2565512, 3206890, 3904040, 4489646, 6413780, 8979292, 11224115, 12827560, 17958584, 22448230, 44896460, 89792920]

約数ペア:

[(1, 89792920), (2, 44896460), (4, 22448230), (5, 17958584), (7, 12827560), (8, 11224115), (10, 8979292), (14, 6413780), (20, 4489646), (23, 3904040), (28, 3206890), (35, 2565512), (40, 2244823), (46, 1952020), (56, 1603445), (70, 1282756), (73, 1230040), (92, 976010), (115, 780808), (140, 641378), (146, 615020), (161, 557720), (184, 488005), (191, 470120), (230, 390404), (280, 320689), (292, 307510), (322, 278860), (365, 246008), (382, 235060), (460, 195202), (511, 175720), (584, 153755), (644, 139430), (730, 123004), (764, 117530), (805, 111544), (920, 97601), (955, 94024), (1022, 87860), (1288, 69715), (1337, 67160), (1460, 61502), (1528, 58765), (1610, 55772), (1679, 53480), (1910, 47012), (2044, 43930), (2555, 35144), (2674, 33580), (2920, 30751), (3220, 27886), (3358, 26740), (3820, 23506), (4088, 21965), (4393, 20440), (5110, 17572), (5348, 16790), (6440, 13943), (6685, 13432), (6716, 13370), (7640, 11753), (8395, 10696), (8786, 10220)]