171623980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{70919}}^1$

素因数の和:70950

約数の個数: 36

約数和(自身を含む): 396159120

約数和(自身を除く): 224535140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 70919, 141838, 283676, 354595, 709190, 780109, 1418380, 1560218, 3120436, 3900545, 7801090, 8581199, 15602180, 17162398, 34324796, 42905995, 85811990, 171623980]

約数ペア:

[(1, 171623980), (2, 85811990), (4, 42905995), (5, 34324796), (10, 17162398), (11, 15602180), (20, 8581199), (22, 7801090), (44, 3900545), (55, 3120436), (110, 1560218), (121, 1418380), (220, 780109), (242, 709190), (484, 354595), (605, 283676), (1210, 141838), (2420, 70919)]