220171700

素因数分解:

$2^2\times 5^2\times 7^5\times {\mathrm{131}}^1$

素因数の和:180

約数の個数: 108

約数和(自身を含む): 561651552

約数和(自身を除く): 341479852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 131, 140, 175, 196, 245, 262, 343, 350, 490, 524, 655, 686, 700, 917, 980, 1225, 1310, 1372, 1715, 1834, 2401, 2450, 2620, 3275, 3430, 3668, 4585, 4802, 4900, 6419, 6550, 6860, 8575, 9170, 9604, 12005, 12838, 13100, 16807, 17150, 18340, 22925, 24010, 25676, 32095, 33614, 34300, 44933, 45850, 48020, 60025, 64190, 67228, 84035, 89866, 91700, 120050, 128380, 160475, 168070, 179732, 224665, 240100, 314531, 320950, 336140, 420175, 449330, 629062, 641900, 840350, 898660, 1123325, 1258124, 1572655, 1680700, 2201717, 2246650, 3145310, 4403434, 4493300, 6290620, 7863275, 8806868, 11008585, 15726550, 22017170, 31453100, 44034340, 55042925, 110085850, 220171700]

約数ペア:

[(1, 220171700), (2, 110085850), (4, 55042925), (5, 44034340), (7, 31453100), (10, 22017170), (14, 15726550), (20, 11008585), (25, 8806868), (28, 7863275), (35, 6290620), (49, 4493300), (50, 4403434), (70, 3145310), (98, 2246650), (100, 2201717), (131, 1680700), (140, 1572655), (175, 1258124), (196, 1123325), (245, 898660), (262, 840350), (343, 641900), (350, 629062), (490, 449330), (524, 420175), (655, 336140), (686, 320950), (700, 314531), (917, 240100), (980, 224665), (1225, 179732), (1310, 168070), (1372, 160475), (1715, 128380), (1834, 120050), (2401, 91700), (2450, 89866), (2620, 84035), (3275, 67228), (3430, 64190), (3668, 60025), (4585, 48020), (4802, 45850), (4900, 44933), (6419, 34300), (6550, 33614), (6860, 32095), (8575, 25676), (9170, 24010), (9604, 22925), (12005, 18340), (12838, 17150), (13100, 16807)]