1307900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:95

約数の個数: 72

約数和(自身を含む): 3281040

約数和(自身を除く): 1973140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 41, 44, 50, 55, 58, 82, 100, 110, 116, 145, 164, 205, 220, 275, 290, 319, 410, 451, 550, 580, 638, 725, 820, 902, 1025, 1100, 1189, 1276, 1450, 1595, 1804, 2050, 2255, 2378, 2900, 3190, 4100, 4510, 4756, 5945, 6380, 7975, 9020, 11275, 11890, 13079, 15950, 22550, 23780, 26158, 29725, 31900, 45100, 52316, 59450, 65395, 118900, 130790, 261580, 326975, 653950, 1307900]

約数ペア:

[(1, 1307900), (2, 653950), (4, 326975), (5, 261580), (10, 130790), (11, 118900), (20, 65395), (22, 59450), (25, 52316), (29, 45100), (41, 31900), (44, 29725), (50, 26158), (55, 23780), (58, 22550), (82, 15950), (100, 13079), (110, 11890), (116, 11275), (145, 9020), (164, 7975), (205, 6380), (220, 5945), (275, 4756), (290, 4510), (319, 4100), (410, 3190), (451, 2900), (550, 2378), (580, 2255), (638, 2050), (725, 1804), (820, 1595), (902, 1450), (1025, 1276), (1100, 1189)]