545577980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{15473}}^1$

素因数の和:15566

約数の個数: 48

約数和(自身を含む): 1201029984

約数和(自身を除く): 655452004

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 3526, 7052, 8815, 15473, 17630, 30946, 35260, 61892, 77365, 154730, 309460, 634393, 665339, 1268786, 1330678, 2537572, 2661356, 3171965, 3326695, 6343930, 6653390, 12687860, 13306780, 27278899, 54557798, 109115596, 136394495, 272788990, 545577980]

約数ペア:

[(1, 545577980), (2, 272788990), (4, 136394495), (5, 109115596), (10, 54557798), (20, 27278899), (41, 13306780), (43, 12687860), (82, 6653390), (86, 6343930), (164, 3326695), (172, 3171965), (205, 2661356), (215, 2537572), (410, 1330678), (430, 1268786), (820, 665339), (860, 634393), (1763, 309460), (3526, 154730), (7052, 77365), (8815, 61892), (15473, 35260), (17630, 30946)]