311281940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{601}}^1$

素因数の和:705

約数の個数: 96

約数和(自身を含む): 728179200

約数和(自身を除く): 416897260

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 47, 58, 76, 94, 95, 116, 145, 188, 190, 235, 290, 380, 470, 551, 580, 601, 893, 940, 1102, 1202, 1363, 1786, 2204, 2404, 2726, 2755, 3005, 3572, 4465, 5452, 5510, 6010, 6815, 8930, 11020, 11419, 12020, 13630, 17429, 17860, 22838, 25897, 27260, 28247, 34858, 45676, 51794, 56494, 57095, 69716, 87145, 103588, 112988, 114190, 129485, 141235, 174290, 228380, 258970, 282470, 331151, 348580, 517940, 536693, 564940, 662302, 819163, 1073386, 1324604, 1638326, 1655755, 2146772, 2683465, 3276652, 3311510, 4095815, 5366930, 6623020, 8191630, 10733860, 15564097, 16383260, 31128194, 62256388, 77820485, 155640970, 311281940]

約数ペア:

[(1, 311281940), (2, 155640970), (4, 77820485), (5, 62256388), (10, 31128194), (19, 16383260), (20, 15564097), (29, 10733860), (38, 8191630), (47, 6623020), (58, 5366930), (76, 4095815), (94, 3311510), (95, 3276652), (116, 2683465), (145, 2146772), (188, 1655755), (190, 1638326), (235, 1324604), (290, 1073386), (380, 819163), (470, 662302), (551, 564940), (580, 536693), (601, 517940), (893, 348580), (940, 331151), (1102, 282470), (1202, 258970), (1363, 228380), (1786, 174290), (2204, 141235), (2404, 129485), (2726, 114190), (2755, 112988), (3005, 103588), (3572, 87145), (4465, 69716), (5452, 57095), (5510, 56494), (6010, 51794), (6815, 45676), (8930, 34858), (11020, 28247), (11419, 27260), (12020, 25897), (13630, 22838), (17429, 17860)]