690747080

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{4621}}^1$

素因数の和:4770

約数の個数: 64

約数和(自身を含む): 1612338480

約数和(自身を除く): 921591400

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 101, 148, 185, 202, 296, 370, 404, 505, 740, 808, 1010, 1480, 2020, 3737, 4040, 4621, 7474, 9242, 14948, 18484, 18685, 23105, 29896, 36968, 37370, 46210, 74740, 92420, 149480, 170977, 184840, 341954, 466721, 683908, 854885, 933442, 1367816, 1709770, 1866884, 2333605, 3419540, 3733768, 4667210, 6839080, 9334420, 17268677, 18668840, 34537354, 69074708, 86343385, 138149416, 172686770, 345373540, 690747080]

約数ペア:

[(1, 690747080), (2, 345373540), (4, 172686770), (5, 138149416), (8, 86343385), (10, 69074708), (20, 34537354), (37, 18668840), (40, 17268677), (74, 9334420), (101, 6839080), (148, 4667210), (185, 3733768), (202, 3419540), (296, 2333605), (370, 1866884), (404, 1709770), (505, 1367816), (740, 933442), (808, 854885), (1010, 683908), (1480, 466721), (2020, 341954), (3737, 184840), (4040, 170977), (4621, 149480), (7474, 92420), (9242, 74740), (14948, 46210), (18484, 37370), (18685, 36968), (23105, 29896)]