281162620825

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{13411}}^1$

素因数の和:13583

約数の個数: 72

約数和(自身を含む): 387785555136

約数和(自身を除く): 106622934311

約数列:

[1, 5, 19, 23, 25, 95, 101, 115, 361, 437, 475, 505, 575, 1805, 1919, 2185, 2323, 2525, 8303, 9025, 9595, 10925, 11615, 13411, 36461, 41515, 44137, 47975, 58075, 67055, 182305, 207575, 220685, 254809, 308453, 335275, 838603, 911525, 1103425, 1274045, 1354511, 1542265, 4193015, 4841371, 5860607, 6370225, 6772555, 7711325, 20965075, 24206855, 25735709, 29303035, 31153753, 33862775, 111351533, 121034275, 128678545, 146515175, 155768765, 488978471, 556757665, 591921307, 643392725, 778843825, 2444892355, 2783788325, 2959606535, 11246504833, 12224461775, 14798032675, 56232524165, 281162620825]

約数ペア:

[(1, 281162620825), (5, 56232524165), (19, 14798032675), (23, 12224461775), (25, 11246504833), (95, 2959606535), (101, 2783788325), (115, 2444892355), (361, 778843825), (437, 643392725), (475, 591921307), (505, 556757665), (575, 488978471), (1805, 155768765), (1919, 146515175), (2185, 128678545), (2323, 121034275), (2525, 111351533), (8303, 33862775), (9025, 31153753), (9595, 29303035), (10925, 25735709), (11615, 24206855), (13411, 20965075), (36461, 7711325), (41515, 6772555), (44137, 6370225), (47975, 5860607), (58075, 4841371), (67055, 4193015), (182305, 1542265), (207575, 1354511), (220685, 1274045), (254809, 1103425), (308453, 911525), (335275, 838603)]