211673900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1553}}^1$

素因数の和:1643

約数の個数: 72

約数和(自身を含む): 485593920

約数和(自身を除く): 273920020

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 47, 50, 58, 94, 100, 116, 145, 188, 235, 290, 470, 580, 725, 940, 1175, 1363, 1450, 1553, 2350, 2726, 2900, 3106, 4700, 5452, 6212, 6815, 7765, 13630, 15530, 27260, 31060, 34075, 38825, 45037, 68150, 72991, 77650, 90074, 136300, 145982, 155300, 180148, 225185, 291964, 364955, 450370, 729910, 900740, 1125925, 1459820, 1824775, 2116739, 2251850, 3649550, 4233478, 4503700, 7299100, 8466956, 10583695, 21167390, 42334780, 52918475, 105836950, 211673900]

約数ペア:

[(1, 211673900), (2, 105836950), (4, 52918475), (5, 42334780), (10, 21167390), (20, 10583695), (25, 8466956), (29, 7299100), (47, 4503700), (50, 4233478), (58, 3649550), (94, 2251850), (100, 2116739), (116, 1824775), (145, 1459820), (188, 1125925), (235, 900740), (290, 729910), (470, 450370), (580, 364955), (725, 291964), (940, 225185), (1175, 180148), (1363, 155300), (1450, 145982), (1553, 136300), (2350, 90074), (2726, 77650), (2900, 72991), (3106, 68150), (4700, 45037), (5452, 38825), (6212, 34075), (6815, 31060), (7765, 27260), (13630, 15530)]