28432180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 72576000

約数和(自身を除く): 44143820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 47, 58, 70, 94, 116, 140, 145, 149, 188, 203, 235, 290, 298, 329, 406, 470, 580, 596, 658, 745, 812, 940, 1015, 1043, 1316, 1363, 1490, 1645, 2030, 2086, 2726, 2980, 3290, 4060, 4172, 4321, 5215, 5452, 6580, 6815, 7003, 8642, 9541, 10430, 13630, 14006, 17284, 19082, 20860, 21605, 27260, 28012, 30247, 35015, 38164, 43210, 47705, 49021, 60494, 70030, 86420, 95410, 98042, 120988, 140060, 151235, 190820, 196084, 203087, 245105, 302470, 406174, 490210, 604940, 812348, 980420, 1015435, 1421609, 2030870, 2843218, 4061740, 5686436, 7108045, 14216090, 28432180]

約数ペア:

[(1, 28432180), (2, 14216090), (4, 7108045), (5, 5686436), (7, 4061740), (10, 2843218), (14, 2030870), (20, 1421609), (28, 1015435), (29, 980420), (35, 812348), (47, 604940), (58, 490210), (70, 406174), (94, 302470), (116, 245105), (140, 203087), (145, 196084), (149, 190820), (188, 151235), (203, 140060), (235, 120988), (290, 98042), (298, 95410), (329, 86420), (406, 70030), (470, 60494), (580, 49021), (596, 47705), (658, 43210), (745, 38164), (812, 35015), (940, 30247), (1015, 28012), (1043, 27260), (1316, 21605), (1363, 20860), (1490, 19082), (1645, 17284), (2030, 14006), (2086, 13630), (2726, 10430), (2980, 9541), (3290, 8642), (4060, 7003), (4172, 6815), (4321, 6580), (5215, 5452)]