8975980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 22579200

約数和(自身を除く): 13603220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 23, 26, 38, 46, 52, 65, 76, 79, 92, 95, 115, 130, 158, 190, 230, 247, 260, 299, 316, 380, 395, 437, 460, 494, 598, 790, 874, 988, 1027, 1196, 1235, 1495, 1501, 1580, 1748, 1817, 2054, 2185, 2470, 2990, 3002, 3634, 4108, 4370, 4940, 5135, 5681, 5980, 6004, 7268, 7505, 8740, 9085, 10270, 11362, 15010, 18170, 19513, 20540, 22724, 23621, 28405, 30020, 34523, 36340, 39026, 47242, 56810, 69046, 78052, 94484, 97565, 113620, 118105, 138092, 172615, 195130, 236210, 345230, 390260, 448799, 472420, 690460, 897598, 1795196, 2243995, 4487990, 8975980]

約数ペア:

[(1, 8975980), (2, 4487990), (4, 2243995), (5, 1795196), (10, 897598), (13, 690460), (19, 472420), (20, 448799), (23, 390260), (26, 345230), (38, 236210), (46, 195130), (52, 172615), (65, 138092), (76, 118105), (79, 113620), (92, 97565), (95, 94484), (115, 78052), (130, 69046), (158, 56810), (190, 47242), (230, 39026), (247, 36340), (260, 34523), (299, 30020), (316, 28405), (380, 23621), (395, 22724), (437, 20540), (460, 19513), (494, 18170), (598, 15010), (790, 11362), (874, 10270), (988, 9085), (1027, 8740), (1196, 7505), (1235, 7268), (1495, 6004), (1501, 5980), (1580, 5681), (1748, 5135), (1817, 4940), (2054, 4370), (2185, 4108), (2470, 3634), (2990, 3002)]