202005920

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:478

約数の個数: 96

約数和(自身を含む): 497871360

約数和(自身を除く): 295865440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 139, 155, 160, 248, 278, 293, 310, 496, 556, 586, 620, 695, 992, 1112, 1172, 1240, 1390, 1465, 2224, 2344, 2480, 2780, 2930, 4309, 4448, 4688, 4960, 5560, 5860, 8618, 9083, 9376, 11120, 11720, 17236, 18166, 21545, 22240, 23440, 34472, 36332, 40727, 43090, 45415, 46880, 68944, 72664, 81454, 86180, 90830, 137888, 145328, 162908, 172360, 181660, 203635, 290656, 325816, 344720, 363320, 407270, 651632, 689440, 726640, 814540, 1262537, 1303264, 1453280, 1629080, 2525074, 3258160, 5050148, 6312685, 6516320, 10100296, 12625370, 20200592, 25250740, 40401184, 50501480, 101002960, 202005920]

約数ペア:

[(1, 202005920), (2, 101002960), (4, 50501480), (5, 40401184), (8, 25250740), (10, 20200592), (16, 12625370), (20, 10100296), (31, 6516320), (32, 6312685), (40, 5050148), (62, 3258160), (80, 2525074), (124, 1629080), (139, 1453280), (155, 1303264), (160, 1262537), (248, 814540), (278, 726640), (293, 689440), (310, 651632), (496, 407270), (556, 363320), (586, 344720), (620, 325816), (695, 290656), (992, 203635), (1112, 181660), (1172, 172360), (1240, 162908), (1390, 145328), (1465, 137888), (2224, 90830), (2344, 86180), (2480, 81454), (2780, 72664), (2930, 68944), (4309, 46880), (4448, 45415), (4688, 43090), (4960, 40727), (5560, 36332), (5860, 34472), (8618, 23440), (9083, 22240), (9376, 21545), (11120, 18166), (11720, 17236)]