220393740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1283}}^1$

素因数の和:1711

約数の個数: 96

約数和(自身を含む): 707535360

約数和(自身を除く): 487141620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 409, 420, 818, 1227, 1283, 1636, 2045, 2454, 2566, 2863, 3849, 4090, 4908, 5132, 5726, 6135, 6415, 7698, 8180, 8589, 8981, 11452, 12270, 12830, 14315, 15396, 17178, 17962, 19245, 24540, 25660, 26943, 28630, 34356, 35924, 38490, 42945, 44905, 53886, 57260, 76980, 85890, 89810, 107772, 134715, 171780, 179620, 269430, 524747, 538860, 1049494, 1574241, 2098988, 2623735, 3148482, 3673229, 5247470, 6296964, 7346458, 7871205, 10494940, 11019687, 14692916, 15742410, 18366145, 22039374, 31484820, 36732290, 44078748, 55098435, 73464580, 110196870, 220393740]

約数ペア:

[(1, 220393740), (2, 110196870), (3, 73464580), (4, 55098435), (5, 44078748), (6, 36732290), (7, 31484820), (10, 22039374), (12, 18366145), (14, 15742410), (15, 14692916), (20, 11019687), (21, 10494940), (28, 7871205), (30, 7346458), (35, 6296964), (42, 5247470), (60, 3673229), (70, 3148482), (84, 2623735), (105, 2098988), (140, 1574241), (210, 1049494), (409, 538860), (420, 524747), (818, 269430), (1227, 179620), (1283, 171780), (1636, 134715), (2045, 107772), (2454, 89810), (2566, 85890), (2863, 76980), (3849, 57260), (4090, 53886), (4908, 44905), (5132, 42945), (5726, 38490), (6135, 35924), (6415, 34356), (7698, 28630), (8180, 26943), (8589, 25660), (8981, 24540), (11452, 19245), (12270, 17962), (12830, 17178), (14315, 15396)]