86980180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1877}}^1$

素因数の和:2224

約数の個数: 48

約数和(自身を含む): 209494656

約数和(自身を除く): 122514476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 331, 662, 1324, 1655, 1877, 2317, 3310, 3754, 4634, 6620, 7508, 9268, 9385, 11585, 13139, 18770, 23170, 26278, 37540, 46340, 52556, 65695, 131390, 262780, 621287, 1242574, 2485148, 3106435, 4349009, 6212870, 8698018, 12425740, 17396036, 21745045, 43490090, 86980180]

約数ペア:

[(1, 86980180), (2, 43490090), (4, 21745045), (5, 17396036), (7, 12425740), (10, 8698018), (14, 6212870), (20, 4349009), (28, 3106435), (35, 2485148), (70, 1242574), (140, 621287), (331, 262780), (662, 131390), (1324, 65695), (1655, 52556), (1877, 46340), (2317, 37540), (3310, 26278), (3754, 23170), (4634, 18770), (6620, 13139), (7508, 11585), (9268, 9385)]