199930160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4243}}^1$

素因数の和:4306

約数の個数: 80

約数和(自身を含む): 505205760

約数和(自身を除く): 305275600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4243, 4712, 5890, 8486, 9424, 11780, 16972, 21215, 23560, 33944, 42430, 47120, 67888, 80617, 84860, 131533, 161234, 169720, 263066, 322468, 339440, 403085, 526132, 644936, 657665, 806170, 1052264, 1289872, 1315330, 1612340, 2104528, 2499127, 2630660, 3224680, 4998254, 5261320, 6449360, 9996508, 10522640, 12495635, 19993016, 24991270, 39986032, 49982540, 99965080, 199930160]

約数ペア:

[(1, 199930160), (2, 99965080), (4, 49982540), (5, 39986032), (8, 24991270), (10, 19993016), (16, 12495635), (19, 10522640), (20, 9996508), (31, 6449360), (38, 5261320), (40, 4998254), (62, 3224680), (76, 2630660), (80, 2499127), (95, 2104528), (124, 1612340), (152, 1315330), (155, 1289872), (190, 1052264), (248, 806170), (304, 657665), (310, 644936), (380, 526132), (496, 403085), (589, 339440), (620, 322468), (760, 263066), (1178, 169720), (1240, 161234), (1520, 131533), (2356, 84860), (2480, 80617), (2945, 67888), (4243, 47120), (4712, 42430), (5890, 33944), (8486, 23560), (9424, 21215), (11780, 16972)]