97664180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 222616800

約数和(自身を除く): 124952620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 139, 172, 190, 215, 278, 380, 430, 556, 695, 817, 860, 1390, 1634, 1849, 2641, 2780, 3268, 3698, 4085, 5282, 5977, 7396, 8170, 9245, 10564, 11954, 13205, 16340, 18490, 23908, 26410, 29885, 35131, 36980, 52820, 59770, 70262, 113563, 119540, 140524, 175655, 227126, 257011, 351310, 454252, 514022, 567815, 702620, 1028044, 1135630, 1285055, 2271260, 2570110, 4883209, 5140220, 9766418, 19532836, 24416045, 48832090, 97664180]

約数ペア:

[(1, 97664180), (2, 48832090), (4, 24416045), (5, 19532836), (10, 9766418), (19, 5140220), (20, 4883209), (38, 2570110), (43, 2271260), (76, 1285055), (86, 1135630), (95, 1028044), (139, 702620), (172, 567815), (190, 514022), (215, 454252), (278, 351310), (380, 257011), (430, 227126), (556, 175655), (695, 140524), (817, 119540), (860, 113563), (1390, 70262), (1634, 59770), (1849, 52820), (2641, 36980), (2780, 35131), (3268, 29885), (3698, 26410), (4085, 23908), (5282, 18490), (5977, 16340), (7396, 13205), (8170, 11954), (9245, 10564)]