231680540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127297}}^1$

素因数の和:127326

約数の個数: 48

約数和(自身を含む): 598809792

約数和(自身を除く): 367129252

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, 127297, 254594, 509188, 636485, 891079, 1272970, 1654861, 1782158, 2545940, 3309722, 3564316, 4455395, 6619444, 8274305, 8910790, 11584027, 16548610, 17821580, 23168054, 33097220, 46336108, 57920135, 115840270, 231680540]

約数ペア:

[(1, 231680540), (2, 115840270), (4, 57920135), (5, 46336108), (7, 33097220), (10, 23168054), (13, 17821580), (14, 16548610), (20, 11584027), (26, 8910790), (28, 8274305), (35, 6619444), (52, 4455395), (65, 3564316), (70, 3309722), (91, 2545940), (130, 1782158), (140, 1654861), (182, 1272970), (260, 891079), (364, 636485), (455, 509188), (910, 254594), (1820, 127297)]