468812840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:387

約数の個数: 128

約数和(自身を含む): 1166400000

約数和(自身を除く): 697587160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 89, 95, 116, 145, 152, 178, 190, 232, 239, 290, 356, 380, 445, 478, 551, 580, 712, 760, 890, 956, 1102, 1160, 1195, 1691, 1780, 1912, 2204, 2390, 2581, 2755, 3382, 3560, 4408, 4541, 4780, 5162, 5510, 6764, 6931, 8455, 9082, 9560, 10324, 11020, 12905, 13528, 13862, 16910, 18164, 20648, 21271, 22040, 22705, 25810, 27724, 33820, 34655, 36328, 42542, 45410, 49039, 51620, 55448, 67640, 69310, 85084, 90820, 98078, 103240, 106355, 131689, 138620, 170168, 181640, 196156, 212710, 245195, 263378, 277240, 392312, 404149, 425420, 490390, 526756, 616859, 658445, 808298, 850840, 980780, 1053512, 1233718, 1316890, 1616596, 1961560, 2020745, 2467436, 2633780, 3084295, 3233192, 4041490, 4934872, 5267560, 6168590, 8082980, 11720321, 12337180, 16165960, 23440642, 24674360, 46881284, 58601605, 93762568, 117203210, 234406420, 468812840]

約数ペア:

[(1, 468812840), (2, 234406420), (4, 117203210), (5, 93762568), (8, 58601605), (10, 46881284), (19, 24674360), (20, 23440642), (29, 16165960), (38, 12337180), (40, 11720321), (58, 8082980), (76, 6168590), (89, 5267560), (95, 4934872), (116, 4041490), (145, 3233192), (152, 3084295), (178, 2633780), (190, 2467436), (232, 2020745), (239, 1961560), (290, 1616596), (356, 1316890), (380, 1233718), (445, 1053512), (478, 980780), (551, 850840), (580, 808298), (712, 658445), (760, 616859), (890, 526756), (956, 490390), (1102, 425420), (1160, 404149), (1195, 392312), (1691, 277240), (1780, 263378), (1912, 245195), (2204, 212710), (2390, 196156), (2581, 181640), (2755, 170168), (3382, 138620), (3560, 131689), (4408, 106355), (4541, 103240), (4780, 98078), (5162, 90820), (5510, 85084), (6764, 69310), (6931, 67640), (8455, 55448), (9082, 51620), (9560, 49039), (10324, 45410), (11020, 42542), (12905, 36328), (13528, 34655), (13862, 33820), (16910, 27724), (18164, 25810), (20648, 22705), (21271, 22040)]