2008698650

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{19997}}^1$

素因数の和:20064

約数の個数: 72

約数和(自身を含む): 4452394716

約数和(自身を除く): 2443696066

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 41, 49, 50, 70, 82, 98, 175, 205, 245, 287, 350, 410, 490, 574, 1025, 1225, 1435, 2009, 2050, 2450, 2870, 4018, 7175, 10045, 14350, 19997, 20090, 39994, 50225, 99985, 100450, 139979, 199970, 279958, 499925, 699895, 819877, 979853, 999850, 1399790, 1639754, 1959706, 3499475, 4099385, 4899265, 5739139, 6998950, 8198770, 9798530, 11478278, 20496925, 24496325, 28695695, 40173973, 40993850, 48992650, 57391390, 80347946, 143478475, 200869865, 286956950, 401739730, 1004349325, 2008698650]

約数ペア:

[(1, 2008698650), (2, 1004349325), (5, 401739730), (7, 286956950), (10, 200869865), (14, 143478475), (25, 80347946), (35, 57391390), (41, 48992650), (49, 40993850), (50, 40173973), (70, 28695695), (82, 24496325), (98, 20496925), (175, 11478278), (205, 9798530), (245, 8198770), (287, 6998950), (350, 5739139), (410, 4899265), (490, 4099385), (574, 3499475), (1025, 1959706), (1225, 1639754), (1435, 1399790), (2009, 999850), (2050, 979853), (2450, 819877), (2870, 699895), (4018, 499925), (7175, 279958), (10045, 199970), (14350, 139979), (19997, 100450), (20090, 99985), (39994, 50225)]