619594460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{3797}}^1$

素因数の和:4046

約数の個数: 48

約数和(自身を含む): 1339934400

約数和(自身を除く): 720339940

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 199, 205, 398, 410, 796, 820, 995, 1990, 3797, 3980, 7594, 8159, 15188, 16318, 18985, 32636, 37970, 40795, 75940, 81590, 155677, 163180, 311354, 622708, 755603, 778385, 1511206, 1556770, 3022412, 3113540, 3778015, 7556030, 15112060, 30979723, 61959446, 123918892, 154898615, 309797230, 619594460]

約数ペア:

[(1, 619594460), (2, 309797230), (4, 154898615), (5, 123918892), (10, 61959446), (20, 30979723), (41, 15112060), (82, 7556030), (164, 3778015), (199, 3113540), (205, 3022412), (398, 1556770), (410, 1511206), (796, 778385), (820, 755603), (995, 622708), (1990, 311354), (3797, 163180), (3980, 155677), (7594, 81590), (8159, 75940), (15188, 40795), (16318, 37970), (18985, 32636)]