1263707900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{138869}}^1$

素因数の和:138903

約数の個数: 72

約数和(自身を含む): 3375096480

約数和(自身を除く): 2111388580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 4550, 9100, 138869, 277738, 555476, 694345, 972083, 1388690, 1805297, 1944166, 2777380, 3471725, 3610594, 3888332, 4860415, 6943450, 7221188, 9026485, 9720830, 12637079, 13886900, 18052970, 19441660, 24302075, 25274158, 36105940, 45132425, 48604150, 50548316, 63185395, 90264850, 97208300, 126370790, 180529700, 252741580, 315926975, 631853950, 1263707900]

約数ペア:

[(1, 1263707900), (2, 631853950), (4, 315926975), (5, 252741580), (7, 180529700), (10, 126370790), (13, 97208300), (14, 90264850), (20, 63185395), (25, 50548316), (26, 48604150), (28, 45132425), (35, 36105940), (50, 25274158), (52, 24302075), (65, 19441660), (70, 18052970), (91, 13886900), (100, 12637079), (130, 9720830), (140, 9026485), (175, 7221188), (182, 6943450), (260, 4860415), (325, 3888332), (350, 3610594), (364, 3471725), (455, 2777380), (650, 1944166), (700, 1805297), (910, 1388690), (1300, 972083), (1820, 694345), (2275, 555476), (4550, 277738), (9100, 138869)]