127940540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{70297}}^1$

素因数の和:70326

約数の個数: 48

約数和(自身を含む): 330681792

約数和(自身を除く): 202741252

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 70297, 140594, 281188, 351485, 492079, 702970, 913861, 984158, 1405940, 1827722, 1968316, 2460395, 3655444, 4569305, 4920790, 6397027, 9138610, 9841580, 12794054, 18277220, 25588108, 31985135, 63970270, 127940540]

約数ペア:

[(1, 127940540), (2, 63970270), (4, 31985135), (5, 25588108), (7, 18277220), (10, 12794054), (13, 9841580), (14, 9138610), (20, 6397027), (26, 4920790), (28, 4569305), (35, 3655444), (52, 2460395), (65, 1968316), (70, 1827722), (91, 1405940), (130, 984158), (140, 913861), (182, 702970), (260, 492079), (364, 351485), (455, 281188), (910, 140594), (1820, 70297)]