3893480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:186

約数の個数: 64

約数和(自身を含む): 9504000

約数和(自身を除く): 5610520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 109, 152, 188, 190, 218, 235, 376, 380, 436, 470, 545, 760, 872, 893, 940, 1090, 1786, 1880, 2071, 2180, 3572, 4142, 4360, 4465, 5123, 7144, 8284, 8930, 10246, 10355, 16568, 17860, 20492, 20710, 25615, 35720, 40984, 41420, 51230, 82840, 97337, 102460, 194674, 204920, 389348, 486685, 778696, 973370, 1946740, 3893480]

約数ペア:

[(1, 3893480), (2, 1946740), (4, 973370), (5, 778696), (8, 486685), (10, 389348), (19, 204920), (20, 194674), (38, 102460), (40, 97337), (47, 82840), (76, 51230), (94, 41420), (95, 40984), (109, 35720), (152, 25615), (188, 20710), (190, 20492), (218, 17860), (235, 16568), (376, 10355), (380, 10246), (436, 8930), (470, 8284), (545, 7144), (760, 5123), (872, 4465), (893, 4360), (940, 4142), (1090, 3572), (1786, 2180), (1880, 2071)]