2018790020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{1303}}^1$

素因数の和:1485

約数の個数: 96

約数和(自身を含む): 4692522240

約数和(自身を除く): 2673732220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 101, 118, 130, 202, 236, 260, 295, 404, 505, 590, 767, 1010, 1180, 1303, 1313, 1534, 2020, 2606, 2626, 3068, 3835, 5212, 5252, 5959, 6515, 6565, 7670, 11918, 13030, 13130, 15340, 16939, 23836, 26060, 26260, 29795, 33878, 59590, 67756, 76877, 77467, 84695, 119180, 131603, 153754, 154934, 169390, 263206, 307508, 309868, 338780, 384385, 387335, 526412, 658015, 768770, 774670, 999401, 1316030, 1537540, 1549340, 1710839, 1998802, 2632060, 3421678, 3997604, 4997005, 6843356, 7764577, 8554195, 9994010, 15529154, 17108390, 19988020, 31058308, 34216780, 38822885, 77645770, 100939501, 155291540, 201879002, 403758004, 504697505, 1009395010, 2018790020]

約数ペア:

[(1, 2018790020), (2, 1009395010), (4, 504697505), (5, 403758004), (10, 201879002), (13, 155291540), (20, 100939501), (26, 77645770), (52, 38822885), (59, 34216780), (65, 31058308), (101, 19988020), (118, 17108390), (130, 15529154), (202, 9994010), (236, 8554195), (260, 7764577), (295, 6843356), (404, 4997005), (505, 3997604), (590, 3421678), (767, 2632060), (1010, 1998802), (1180, 1710839), (1303, 1549340), (1313, 1537540), (1534, 1316030), (2020, 999401), (2606, 774670), (2626, 768770), (3068, 658015), (3835, 526412), (5212, 387335), (5252, 384385), (5959, 338780), (6515, 309868), (6565, 307508), (7670, 263206), (11918, 169390), (13030, 154934), (13130, 153754), (15340, 131603), (16939, 119180), (23836, 84695), (26060, 77467), (26260, 76877), (29795, 67756), (33878, 59590)]