308919380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{200597}}^1$

素因数の和:200624

約数の個数: 48

約数和(自身を含む): 808811136

約数和(自身を除く): 499891756

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 200597, 401194, 802388, 1002985, 1404179, 2005970, 2206567, 2808358, 4011940, 4413134, 5616716, 7020895, 8826268, 11032835, 14041790, 15445969, 22065670, 28083580, 30891938, 44131340, 61783876, 77229845, 154459690, 308919380]

約数ペア:

[(1, 308919380), (2, 154459690), (4, 77229845), (5, 61783876), (7, 44131340), (10, 30891938), (11, 28083580), (14, 22065670), (20, 15445969), (22, 14041790), (28, 11032835), (35, 8826268), (44, 7020895), (55, 5616716), (70, 4413134), (77, 4011940), (110, 2808358), (140, 2206567), (154, 2005970), (220, 1404179), (308, 1002985), (385, 802388), (770, 401194), (1540, 200597)]