27648740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 68516280

約数和(自身を除く): 40867540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 317, 356, 445, 490, 623, 634, 890, 980, 1246, 1268, 1585, 1780, 2219, 2492, 3115, 3170, 4361, 4438, 6230, 6340, 8722, 8876, 11095, 12460, 15533, 17444, 21805, 22190, 28213, 31066, 43610, 44380, 56426, 62132, 77665, 87220, 112852, 141065, 155330, 197491, 282130, 310660, 394982, 564260, 789964, 987455, 1382437, 1974910, 2764874, 3949820, 5529748, 6912185, 13824370, 27648740]

約数ペア:

[(1, 27648740), (2, 13824370), (4, 6912185), (5, 5529748), (7, 3949820), (10, 2764874), (14, 1974910), (20, 1382437), (28, 987455), (35, 789964), (49, 564260), (70, 394982), (89, 310660), (98, 282130), (140, 197491), (178, 155330), (196, 141065), (245, 112852), (317, 87220), (356, 77665), (445, 62132), (490, 56426), (623, 44380), (634, 43610), (890, 31066), (980, 28213), (1246, 22190), (1268, 21805), (1585, 17444), (1780, 15533), (2219, 12460), (2492, 11095), (3115, 8876), (3170, 8722), (4361, 6340), (4438, 6230)]