254865260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:463

約数の個数: 96

約数和(自身を含む): 602714112

約数和(自身を除く): 347848852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 103, 124, 130, 155, 206, 260, 307, 310, 403, 412, 515, 614, 620, 806, 1030, 1228, 1339, 1535, 1612, 2015, 2060, 2678, 3070, 3193, 3991, 4030, 5356, 6140, 6386, 6695, 7982, 8060, 9517, 12772, 13390, 15964, 15965, 19034, 19955, 26780, 31621, 31930, 38068, 39910, 41509, 47585, 63242, 63860, 79820, 83018, 95170, 123721, 126484, 158105, 166036, 190340, 207545, 247442, 316210, 411073, 415090, 494884, 618605, 632420, 822146, 830180, 980251, 1237210, 1644292, 1960502, 2055365, 2474420, 3921004, 4110730, 4901255, 8221460, 9802510, 12743263, 19605020, 25486526, 50973052, 63716315, 127432630, 254865260]

約数ペア:

[(1, 254865260), (2, 127432630), (4, 63716315), (5, 50973052), (10, 25486526), (13, 19605020), (20, 12743263), (26, 9802510), (31, 8221460), (52, 4901255), (62, 4110730), (65, 3921004), (103, 2474420), (124, 2055365), (130, 1960502), (155, 1644292), (206, 1237210), (260, 980251), (307, 830180), (310, 822146), (403, 632420), (412, 618605), (515, 494884), (614, 415090), (620, 411073), (806, 316210), (1030, 247442), (1228, 207545), (1339, 190340), (1535, 166036), (1612, 158105), (2015, 126484), (2060, 123721), (2678, 95170), (3070, 83018), (3193, 79820), (3991, 63860), (4030, 63242), (5356, 47585), (6140, 41509), (6386, 39910), (6695, 38068), (7982, 31930), (8060, 31621), (9517, 26780), (12772, 19955), (13390, 19034), (15964, 15965)]