198413020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 469647360

約数和(自身を除く): 271234340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 103, 124, 130, 155, 206, 239, 260, 310, 403, 412, 478, 515, 620, 806, 956, 1030, 1195, 1339, 1612, 2015, 2060, 2390, 2678, 3107, 3193, 4030, 4780, 5356, 6214, 6386, 6695, 7409, 8060, 12428, 12772, 13390, 14818, 15535, 15965, 24617, 26780, 29636, 31070, 31930, 37045, 41509, 49234, 62140, 63860, 74090, 83018, 96317, 98468, 123085, 148180, 166036, 192634, 207545, 246170, 320021, 385268, 415090, 481585, 492340, 640042, 763127, 830180, 963170, 1280084, 1526254, 1600105, 1926340, 3052508, 3200210, 3815635, 6400420, 7631270, 9920651, 15262540, 19841302, 39682604, 49603255, 99206510, 198413020]

約数ペア:

[(1, 198413020), (2, 99206510), (4, 49603255), (5, 39682604), (10, 19841302), (13, 15262540), (20, 9920651), (26, 7631270), (31, 6400420), (52, 3815635), (62, 3200210), (65, 3052508), (103, 1926340), (124, 1600105), (130, 1526254), (155, 1280084), (206, 963170), (239, 830180), (260, 763127), (310, 640042), (403, 492340), (412, 481585), (478, 415090), (515, 385268), (620, 320021), (806, 246170), (956, 207545), (1030, 192634), (1195, 166036), (1339, 148180), (1612, 123085), (2015, 98468), (2060, 96317), (2390, 83018), (2678, 74090), (3107, 63860), (3193, 62140), (4030, 49234), (4780, 41509), (5356, 37045), (6214, 31930), (6386, 31070), (6695, 29636), (7409, 26780), (8060, 24617), (12428, 15965), (12772, 15535), (13390, 14818)]