427328240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6857}}^1$

素因数の和:6930

約数の個数: 80

約数和(自身を含む): 1071493920

約数和(自身を除く): 644165680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 304, 328, 380, 410, 656, 760, 779, 820, 1520, 1558, 1640, 3116, 3280, 3895, 6232, 6857, 7790, 12464, 13714, 15580, 27428, 31160, 34285, 54856, 62320, 68570, 109712, 130283, 137140, 260566, 274280, 281137, 521132, 548560, 562274, 651415, 1042264, 1124548, 1302830, 1405685, 2084528, 2249096, 2605660, 2811370, 4498192, 5211320, 5341603, 5622740, 10422640, 10683206, 11245480, 21366412, 22490960, 26708015, 42732824, 53416030, 85465648, 106832060, 213664120, 427328240]

約数ペア:

[(1, 427328240), (2, 213664120), (4, 106832060), (5, 85465648), (8, 53416030), (10, 42732824), (16, 26708015), (19, 22490960), (20, 21366412), (38, 11245480), (40, 10683206), (41, 10422640), (76, 5622740), (80, 5341603), (82, 5211320), (95, 4498192), (152, 2811370), (164, 2605660), (190, 2249096), (205, 2084528), (304, 1405685), (328, 1302830), (380, 1124548), (410, 1042264), (656, 651415), (760, 562274), (779, 548560), (820, 521132), (1520, 281137), (1558, 274280), (1640, 260566), (3116, 137140), (3280, 130283), (3895, 109712), (6232, 68570), (6857, 62320), (7790, 54856), (12464, 34285), (13714, 31160), (15580, 27428)]