78297100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^2$

素因数の和:105

約数の個数: 162

約数和(自身を含む): 215467980

約数和(自身を除く): 137170880

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 29, 35, 38, 49, 50, 58, 70, 76, 95, 98, 100, 116, 133, 140, 145, 175, 190, 196, 203, 245, 266, 290, 350, 380, 406, 475, 490, 532, 551, 580, 665, 700, 725, 812, 841, 931, 950, 980, 1015, 1102, 1225, 1330, 1421, 1450, 1682, 1862, 1900, 2030, 2204, 2450, 2660, 2755, 2842, 2900, 3325, 3364, 3724, 3857, 4060, 4205, 4655, 4900, 5075, 5510, 5684, 5887, 6650, 7105, 7714, 8410, 9310, 10150, 11020, 11774, 13300, 13775, 14210, 15428, 15979, 16820, 18620, 19285, 20300, 21025, 23275, 23548, 26999, 27550, 28420, 29435, 31958, 35525, 38570, 41209, 42050, 46550, 53998, 55100, 58870, 63916, 71050, 77140, 79895, 82418, 84100, 93100, 96425, 107996, 111853, 117740, 134995, 142100, 147175, 159790, 164836, 192850, 206045, 223706, 269990, 294350, 319580, 385700, 399475, 412090, 447412, 539980, 559265, 588700, 674975, 782971, 798950, 824180, 1030225, 1118530, 1349950, 1565942, 1597900, 2060450, 2237060, 2699900, 2796325, 3131884, 3914855, 4120900, 5592650, 7829710, 11185300, 15659420, 19574275, 39148550, 78297100]

約数ペア:

[(1, 78297100), (2, 39148550), (4, 19574275), (5, 15659420), (7, 11185300), (10, 7829710), (14, 5592650), (19, 4120900), (20, 3914855), (25, 3131884), (28, 2796325), (29, 2699900), (35, 2237060), (38, 2060450), (49, 1597900), (50, 1565942), (58, 1349950), (70, 1118530), (76, 1030225), (95, 824180), (98, 798950), (100, 782971), (116, 674975), (133, 588700), (140, 559265), (145, 539980), (175, 447412), (190, 412090), (196, 399475), (203, 385700), (245, 319580), (266, 294350), (290, 269990), (350, 223706), (380, 206045), (406, 192850), (475, 164836), (490, 159790), (532, 147175), (551, 142100), (580, 134995), (665, 117740), (700, 111853), (725, 107996), (812, 96425), (841, 93100), (931, 84100), (950, 82418), (980, 79895), (1015, 77140), (1102, 71050), (1225, 63916), (1330, 58870), (1421, 55100), (1450, 53998), (1682, 46550), (1862, 42050), (1900, 41209), (2030, 38570), (2204, 35525), (2450, 31958), (2660, 29435), (2755, 28420), (2842, 27550), (2900, 26999), (3325, 23548), (3364, 23275), (3724, 21025), (3857, 20300), (4060, 19285), (4205, 18620), (4655, 16820), (4900, 15979), (5075, 15428), (5510, 14210), (5684, 13775), (5887, 13300), (6650, 11774), (7105, 11020), (7714, 10150), (8410, 9310)]