197749020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{470831}}^1$

素因数の和:470850

約数の個数: 48

約数和(自身を含む): 632798208

約数和(自身を除く): 435049188

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, 420, 470831, 941662, 1412493, 1883324, 2354155, 2824986, 3295817, 4708310, 5649972, 6591634, 7062465, 9416620, 9887451, 13183268, 14124930, 16479085, 19774902, 28249860, 32958170, 39549804, 49437255, 65916340, 98874510, 197749020]

約数ペア:

[(1, 197749020), (2, 98874510), (3, 65916340), (4, 49437255), (5, 39549804), (6, 32958170), (7, 28249860), (10, 19774902), (12, 16479085), (14, 14124930), (15, 13183268), (20, 9887451), (21, 9416620), (28, 7062465), (30, 6591634), (35, 5649972), (42, 4708310), (60, 3295817), (70, 2824986), (84, 2354155), (105, 1883324), (140, 1412493), (210, 941662), (420, 470831)]