310777780

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{2557}}^1$

素因数の和:2728

約数の個数: 48

約数和(自身を含む): 670400640

約数和(自身を除く): 359622860

約数列:

[1, 2, 4, 5, 10, 20, 59, 103, 118, 206, 236, 295, 412, 515, 590, 1030, 1180, 2060, 2557, 5114, 6077, 10228, 12154, 12785, 24308, 25570, 30385, 51140, 60770, 121540, 150863, 263371, 301726, 526742, 603452, 754315, 1053484, 1316855, 1508630, 2633710, 3017260, 5267420, 15538889, 31077778, 62155556, 77694445, 155388890, 310777780]

約数ペア:

[(1, 310777780), (2, 155388890), (4, 77694445), (5, 62155556), (10, 31077778), (20, 15538889), (59, 5267420), (103, 3017260), (118, 2633710), (206, 1508630), (236, 1316855), (295, 1053484), (412, 754315), (515, 603452), (590, 526742), (1030, 301726), (1180, 263371), (2060, 150863), (2557, 121540), (5114, 60770), (6077, 51140), (10228, 30385), (12154, 25570), (12785, 24308)]