121285780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{11251}}^1$

素因数の和:11285

約数の個数: 72

約数和(自身を含む): 323247456

約数和(自身を除く): 201961676

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 11251, 22502, 45004, 56255, 78757, 112510, 123761, 157514, 225020, 247522, 315028, 393785, 495044, 551299, 618805, 787570, 866327, 1102598, 1237610, 1575140, 1732654, 2205196, 2475220, 2756495, 3465308, 4331635, 5512990, 6064289, 8663270, 11025980, 12128578, 17326540, 24257156, 30321445, 60642890, 121285780]

約数ペア:

[(1, 121285780), (2, 60642890), (4, 30321445), (5, 24257156), (7, 17326540), (10, 12128578), (11, 11025980), (14, 8663270), (20, 6064289), (22, 5512990), (28, 4331635), (35, 3465308), (44, 2756495), (49, 2475220), (55, 2205196), (70, 1732654), (77, 1575140), (98, 1237610), (110, 1102598), (140, 866327), (154, 787570), (196, 618805), (220, 551299), (245, 495044), (308, 393785), (385, 315028), (490, 247522), (539, 225020), (770, 157514), (980, 123761), (1078, 112510), (1540, 78757), (2156, 56255), (2695, 45004), (5390, 22502), (10780, 11251)]