254450170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{613}}^1$

素因数の和:767

約数の個数: 64

約数和(自身を含む): 514934784

約数和(自身を除く): 260484614

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 103, 130, 155, 206, 310, 403, 515, 613, 806, 1030, 1226, 1339, 2015, 2678, 3065, 3193, 4030, 6130, 6386, 6695, 7969, 13390, 15938, 15965, 19003, 31930, 38006, 39845, 41509, 63139, 79690, 83018, 95015, 126278, 190030, 207545, 247039, 315695, 415090, 494078, 631390, 820807, 1235195, 1641614, 1957309, 2470390, 3914618, 4104035, 8208070, 9786545, 19573090, 25445017, 50890034, 127225085, 254450170]

約数ペア:

[(1, 254450170), (2, 127225085), (5, 50890034), (10, 25445017), (13, 19573090), (26, 9786545), (31, 8208070), (62, 4104035), (65, 3914618), (103, 2470390), (130, 1957309), (155, 1641614), (206, 1235195), (310, 820807), (403, 631390), (515, 494078), (613, 415090), (806, 315695), (1030, 247039), (1226, 207545), (1339, 190030), (2015, 126278), (2678, 95015), (3065, 83018), (3193, 79690), (4030, 63139), (6130, 41509), (6386, 39845), (6695, 38006), (7969, 31930), (13390, 19003), (15938, 15965)]