131353750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:307

約数の個数: 80

約数和(自身を含む): 276324048

約数和(自身を除く): 144970298

約数列:

[1, 2, 5, 10, 11, 22, 25, 41, 50, 55, 82, 110, 125, 205, 233, 250, 275, 410, 451, 466, 550, 625, 902, 1025, 1165, 1250, 1375, 2050, 2255, 2330, 2563, 2750, 4510, 5125, 5126, 5825, 6875, 9553, 10250, 11275, 11650, 12815, 13750, 19106, 22550, 25625, 25630, 29125, 47765, 51250, 56375, 58250, 64075, 95530, 105083, 112750, 128150, 145625, 210166, 238825, 281875, 291250, 320375, 477650, 525415, 563750, 640750, 1050830, 1194125, 1601875, 2388250, 2627075, 3203750, 5254150, 5970625, 11941250, 13135375, 26270750, 65676875, 131353750]

約数ペア:

[(1, 131353750), (2, 65676875), (5, 26270750), (10, 13135375), (11, 11941250), (22, 5970625), (25, 5254150), (41, 3203750), (50, 2627075), (55, 2388250), (82, 1601875), (110, 1194125), (125, 1050830), (205, 640750), (233, 563750), (250, 525415), (275, 477650), (410, 320375), (451, 291250), (466, 281875), (550, 238825), (625, 210166), (902, 145625), (1025, 128150), (1165, 112750), (1250, 105083), (1375, 95530), (2050, 64075), (2255, 58250), (2330, 56375), (2563, 51250), (2750, 47765), (4510, 29125), (5125, 25630), (5126, 25625), (5825, 22550), (6875, 19106), (9553, 13750), (10250, 12815), (11275, 11650)]