20180850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 53954880

約数和(自身を除く): 33774030

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 73, 75, 95, 97, 114, 146, 150, 190, 194, 219, 285, 291, 365, 438, 475, 485, 570, 582, 730, 950, 970, 1095, 1387, 1425, 1455, 1825, 1843, 2190, 2425, 2774, 2850, 2910, 3650, 3686, 4161, 4850, 5475, 5529, 6935, 7081, 7275, 8322, 9215, 10950, 11058, 13870, 14162, 14550, 18430, 20805, 21243, 27645, 34675, 35405, 41610, 42486, 46075, 55290, 69350, 70810, 92150, 104025, 106215, 134539, 138225, 177025, 208050, 212430, 269078, 276450, 354050, 403617, 531075, 672695, 807234, 1062150, 1345390, 2018085, 3363475, 4036170, 6726950, 10090425, 20180850]

約数ペア:

[(1, 20180850), (2, 10090425), (3, 6726950), (5, 4036170), (6, 3363475), (10, 2018085), (15, 1345390), (19, 1062150), (25, 807234), (30, 672695), (38, 531075), (50, 403617), (57, 354050), (73, 276450), (75, 269078), (95, 212430), (97, 208050), (114, 177025), (146, 138225), (150, 134539), (190, 106215), (194, 104025), (219, 92150), (285, 70810), (291, 69350), (365, 55290), (438, 46075), (475, 42486), (485, 41610), (570, 35405), (582, 34675), (730, 27645), (950, 21243), (970, 20805), (1095, 18430), (1387, 14550), (1425, 14162), (1455, 13870), (1825, 11058), (1843, 10950), (2190, 9215), (2425, 8322), (2774, 7275), (2850, 7081), (2910, 6935), (3650, 5529), (3686, 5475), (4161, 4850)]