144668420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{4003}}^1$

素因数の和:4164

約数の個数: 48

約数和(自身を含む): 329609280

約数和(自身を除く): 184940860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2780, 3614, 4003, 7228, 8006, 9035, 16012, 18070, 20015, 36140, 40030, 52039, 80060, 104078, 208156, 260195, 520390, 556417, 1040780, 1112834, 2225668, 2782085, 5564170, 7233421, 11128340, 14466842, 28933684, 36167105, 72334210, 144668420]

約数ペア:

[(1, 144668420), (2, 72334210), (4, 36167105), (5, 28933684), (10, 14466842), (13, 11128340), (20, 7233421), (26, 5564170), (52, 2782085), (65, 2225668), (130, 1112834), (139, 1040780), (260, 556417), (278, 520390), (556, 260195), (695, 208156), (1390, 104078), (1807, 80060), (2780, 52039), (3614, 40030), (4003, 36140), (7228, 20015), (8006, 18070), (9035, 16012)]