399353500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 192

約数和(自身を含む): 1097800704

約数和(自身を除く): 698447204

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 67, 70, 91, 100, 125, 130, 131, 134, 140, 175, 182, 250, 260, 262, 268, 325, 335, 350, 364, 455, 469, 500, 524, 650, 655, 670, 700, 871, 875, 910, 917, 938, 1300, 1310, 1340, 1625, 1675, 1703, 1742, 1750, 1820, 1834, 1876, 2275, 2345, 2620, 3250, 3275, 3350, 3406, 3484, 3500, 3668, 4355, 4550, 4585, 4690, 6097, 6500, 6550, 6700, 6812, 8375, 8515, 8710, 8777, 9100, 9170, 9380, 11375, 11725, 11921, 12194, 13100, 16375, 16750, 17030, 17420, 17554, 18340, 21775, 22750, 22925, 23450, 23842, 24388, 30485, 32750, 33500, 34060, 35108, 42575, 43550, 43885, 45500, 45850, 46900, 47684, 58625, 59605, 60970, 61439, 65500, 85150, 87100, 87770, 91700, 108875, 114101, 114625, 117250, 119210, 121940, 122878, 152425, 170300, 175540, 212875, 217750, 219425, 228202, 229250, 234500, 238420, 245756, 298025, 304850, 307195, 425750, 435500, 438850, 456404, 458500, 570505, 596050, 609700, 614390, 762125, 798707, 851500, 877700, 1097125, 1141010, 1192100, 1228780, 1490125, 1524250, 1535975, 1597414, 2194250, 2282020, 2852525, 2980250, 3048500, 3071950, 3194828, 3993535, 4388500, 5705050, 5960500, 6143900, 7679875, 7987070, 11410100, 14262625, 15359750, 15974140, 19967675, 28525250, 30719500, 39935350, 57050500, 79870700, 99838375, 199676750, 399353500]

約数ペア:

[(1, 399353500), (2, 199676750), (4, 99838375), (5, 79870700), (7, 57050500), (10, 39935350), (13, 30719500), (14, 28525250), (20, 19967675), (25, 15974140), (26, 15359750), (28, 14262625), (35, 11410100), (50, 7987070), (52, 7679875), (65, 6143900), (67, 5960500), (70, 5705050), (91, 4388500), (100, 3993535), (125, 3194828), (130, 3071950), (131, 3048500), (134, 2980250), (140, 2852525), (175, 2282020), (182, 2194250), (250, 1597414), (260, 1535975), (262, 1524250), (268, 1490125), (325, 1228780), (335, 1192100), (350, 1141010), (364, 1097125), (455, 877700), (469, 851500), (500, 798707), (524, 762125), (650, 614390), (655, 609700), (670, 596050), (700, 570505), (871, 458500), (875, 456404), (910, 438850), (917, 435500), (938, 425750), (1300, 307195), (1310, 304850), (1340, 298025), (1625, 245756), (1675, 238420), (1703, 234500), (1742, 229250), (1750, 228202), (1820, 219425), (1834, 217750), (1876, 212875), (2275, 175540), (2345, 170300), (2620, 152425), (3250, 122878), (3275, 121940), (3350, 119210), (3406, 117250), (3484, 114625), (3500, 114101), (3668, 108875), (4355, 91700), (4550, 87770), (4585, 87100), (4690, 85150), (6097, 65500), (6500, 61439), (6550, 60970), (6700, 59605), (6812, 58625), (8375, 47684), (8515, 46900), (8710, 45850), (8777, 45500), (9100, 43885), (9170, 43550), (9380, 42575), (11375, 35108), (11725, 34060), (11921, 33500), (12194, 32750), (13100, 30485), (16375, 24388), (16750, 23842), (17030, 23450), (17420, 22925), (17554, 22750), (18340, 21775)]