179159860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{733}}^1$

素因数の和:865

約数の個数: 72

約数和(自身を含む): 418212648

約数和(自身を除く): 239052788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 121, 202, 220, 242, 404, 484, 505, 605, 733, 1010, 1111, 1210, 1466, 2020, 2222, 2420, 2932, 3665, 4444, 5555, 7330, 8063, 11110, 12221, 14660, 16126, 22220, 24442, 32252, 40315, 48884, 61105, 74033, 80630, 88693, 122210, 148066, 161260, 177386, 244420, 296132, 354772, 370165, 443465, 740330, 814363, 886930, 1480660, 1628726, 1773860, 3257452, 4071815, 8143630, 8957993, 16287260, 17915986, 35831972, 44789965, 89579930, 179159860]

約数ペア:

[(1, 179159860), (2, 89579930), (4, 44789965), (5, 35831972), (10, 17915986), (11, 16287260), (20, 8957993), (22, 8143630), (44, 4071815), (55, 3257452), (101, 1773860), (110, 1628726), (121, 1480660), (202, 886930), (220, 814363), (242, 740330), (404, 443465), (484, 370165), (505, 354772), (605, 296132), (733, 244420), (1010, 177386), (1111, 161260), (1210, 148066), (1466, 122210), (2020, 88693), (2222, 80630), (2420, 74033), (2932, 61105), (3665, 48884), (4444, 40315), (5555, 32252), (7330, 24442), (8063, 22220), (11110, 16126), (12221, 14660)]