121388393840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{998917}}^1$

素因数の和:998975

約数の個数: 120

約数和(自身を含む): 338896916352

約数和(自身を除く): 217508522512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 1085, 1240, 1519, 1736, 1960, 2170, 2480, 3038, 3472, 3920, 4340, 6076, 7595, 8680, 12152, 15190, 17360, 24304, 30380, 60760, 121520, 998917, 1997834, 3995668, 4994585, 6992419, 7991336, 9989170, 13984838, 15982672, 19978340, 27969676, 30966427, 34962095, 39956680, 48946933, 55939352, 61932854, 69924190, 79913360, 97893866, 111878704, 123865708, 139848380, 154832135, 195787732, 216764989, 244734665, 247731416, 279696760, 309664270, 391575464, 433529978, 489469330, 495462832, 559393520, 619328540, 783150928, 867059956, 978938660, 1083824945, 1238657080, 1517354923, 1734119912, 1957877320, 2167649890, 2477314160, 3034709846, 3468239824, 3915754640, 4335299780, 6069419692, 7586774615, 8670599560, 12138839384, 15173549230, 17341199120, 24277678768, 30347098460, 60694196920, 121388393840]

約数ペア:

[(1, 121388393840), (2, 60694196920), (4, 30347098460), (5, 24277678768), (7, 17341199120), (8, 15173549230), (10, 12138839384), (14, 8670599560), (16, 7586774615), (20, 6069419692), (28, 4335299780), (31, 3915754640), (35, 3468239824), (40, 3034709846), (49, 2477314160), (56, 2167649890), (62, 1957877320), (70, 1734119912), (80, 1517354923), (98, 1238657080), (112, 1083824945), (124, 978938660), (140, 867059956), (155, 783150928), (196, 619328540), (217, 559393520), (245, 495462832), (248, 489469330), (280, 433529978), (310, 391575464), (392, 309664270), (434, 279696760), (490, 247731416), (496, 244734665), (560, 216764989), (620, 195787732), (784, 154832135), (868, 139848380), (980, 123865708), (1085, 111878704), (1240, 97893866), (1519, 79913360), (1736, 69924190), (1960, 61932854), (2170, 55939352), (2480, 48946933), (3038, 39956680), (3472, 34962095), (3920, 30966427), (4340, 27969676), (6076, 19978340), (7595, 15982672), (8680, 13984838), (12152, 9989170), (15190, 7991336), (17360, 6992419), (24304, 4994585), (30380, 3995668), (60760, 1997834), (121520, 998917)]