89122180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{431}}^1$

素因数の和:665

約数の個数: 72

約数和(自身を含む): 219252096

約数和(自身を除く): 130129916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 211, 245, 422, 431, 490, 844, 862, 980, 1055, 1477, 1724, 2110, 2155, 2954, 3017, 4220, 4310, 5908, 6034, 7385, 8620, 10339, 12068, 14770, 15085, 20678, 21119, 29540, 30170, 41356, 42238, 51695, 60340, 84476, 90941, 103390, 105595, 181882, 206780, 211190, 363764, 422380, 454705, 636587, 909410, 1273174, 1818820, 2546348, 3182935, 4456109, 6365870, 8912218, 12731740, 17824436, 22280545, 44561090, 89122180]

約数ペア:

[(1, 89122180), (2, 44561090), (4, 22280545), (5, 17824436), (7, 12731740), (10, 8912218), (14, 6365870), (20, 4456109), (28, 3182935), (35, 2546348), (49, 1818820), (70, 1273174), (98, 909410), (140, 636587), (196, 454705), (211, 422380), (245, 363764), (422, 211190), (431, 206780), (490, 181882), (844, 105595), (862, 103390), (980, 90941), (1055, 84476), (1477, 60340), (1724, 51695), (2110, 42238), (2155, 41356), (2954, 30170), (3017, 29540), (4220, 21119), (4310, 20678), (5908, 15085), (6034, 14770), (7385, 12068), (8620, 10339)]