306388190

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:437

約数の個数: 64

約数和(自身を含む): 595330560

約数和(自身を除く): 288942370

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 173, 197, 290, 310, 346, 394, 865, 899, 985, 1730, 1798, 1970, 4495, 5017, 5363, 5713, 6107, 8990, 10034, 10726, 11426, 12214, 25085, 26815, 28565, 30535, 34081, 50170, 53630, 57130, 61070, 68162, 155527, 170405, 177103, 311054, 340810, 354206, 777635, 885515, 988349, 1056511, 1555270, 1771030, 1976698, 2113022, 4941745, 5282555, 9883490, 10565110, 30638819, 61277638, 153194095, 306388190]

約数ペア:

[(1, 306388190), (2, 153194095), (5, 61277638), (10, 30638819), (29, 10565110), (31, 9883490), (58, 5282555), (62, 4941745), (145, 2113022), (155, 1976698), (173, 1771030), (197, 1555270), (290, 1056511), (310, 988349), (346, 885515), (394, 777635), (865, 354206), (899, 340810), (985, 311054), (1730, 177103), (1798, 170405), (1970, 155527), (4495, 68162), (5017, 61070), (5363, 57130), (5713, 53630), (6107, 50170), (8990, 34081), (10034, 30535), (10726, 28565), (11426, 26815), (12214, 25085)]