280149280

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{349}}^1$

素因数の和:566

約数の個数: 96

約数和(自身を含む): 690606000

約数和(自身を除く): 410456720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 173, 232, 290, 346, 349, 464, 580, 692, 698, 865, 928, 1160, 1384, 1396, 1730, 1745, 2320, 2768, 2792, 3460, 3490, 4640, 5017, 5536, 5584, 6920, 6980, 10034, 10121, 11168, 13840, 13960, 20068, 20242, 25085, 27680, 27920, 40136, 40484, 50170, 50605, 55840, 60377, 80272, 80968, 100340, 101210, 120754, 160544, 161936, 200680, 202420, 241508, 301885, 323872, 401360, 404840, 483016, 603770, 802720, 809680, 966032, 1207540, 1619360, 1750933, 1932064, 2415080, 3501866, 4830160, 7003732, 8754665, 9660320, 14007464, 17509330, 28014928, 35018660, 56029856, 70037320, 140074640, 280149280]

約数ペア:

[(1, 280149280), (2, 140074640), (4, 70037320), (5, 56029856), (8, 35018660), (10, 28014928), (16, 17509330), (20, 14007464), (29, 9660320), (32, 8754665), (40, 7003732), (58, 4830160), (80, 3501866), (116, 2415080), (145, 1932064), (160, 1750933), (173, 1619360), (232, 1207540), (290, 966032), (346, 809680), (349, 802720), (464, 603770), (580, 483016), (692, 404840), (698, 401360), (865, 323872), (928, 301885), (1160, 241508), (1384, 202420), (1396, 200680), (1730, 161936), (1745, 160544), (2320, 120754), (2768, 101210), (2792, 100340), (3460, 80968), (3490, 80272), (4640, 60377), (5017, 55840), (5536, 50605), (5584, 50170), (6920, 40484), (6980, 40136), (10034, 27920), (10121, 27680), (11168, 25085), (13840, 20242), (13960, 20068)]