79870700

素因数分解:

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

素因数の和:232

約数の個数: 144

約数和(自身を含む): 218152704

約数和(自身を除く): 138282004

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 67, 70, 91, 100, 130, 131, 134, 140, 175, 182, 260, 262, 268, 325, 335, 350, 364, 455, 469, 524, 650, 655, 670, 700, 871, 910, 917, 938, 1300, 1310, 1340, 1675, 1703, 1742, 1820, 1834, 1876, 2275, 2345, 2620, 3275, 3350, 3406, 3484, 3668, 4355, 4550, 4585, 4690, 6097, 6550, 6700, 6812, 8515, 8710, 8777, 9100, 9170, 9380, 11725, 11921, 12194, 13100, 17030, 17420, 17554, 18340, 21775, 22925, 23450, 23842, 24388, 30485, 34060, 35108, 42575, 43550, 43885, 45850, 46900, 47684, 59605, 60970, 61439, 85150, 87100, 87770, 91700, 114101, 119210, 121940, 122878, 152425, 170300, 175540, 219425, 228202, 238420, 245756, 298025, 304850, 307195, 438850, 456404, 570505, 596050, 609700, 614390, 798707, 877700, 1141010, 1192100, 1228780, 1535975, 1597414, 2282020, 2852525, 3071950, 3194828, 3993535, 5705050, 6143900, 7987070, 11410100, 15974140, 19967675, 39935350, 79870700]

約数ペア:

[(1, 79870700), (2, 39935350), (4, 19967675), (5, 15974140), (7, 11410100), (10, 7987070), (13, 6143900), (14, 5705050), (20, 3993535), (25, 3194828), (26, 3071950), (28, 2852525), (35, 2282020), (50, 1597414), (52, 1535975), (65, 1228780), (67, 1192100), (70, 1141010), (91, 877700), (100, 798707), (130, 614390), (131, 609700), (134, 596050), (140, 570505), (175, 456404), (182, 438850), (260, 307195), (262, 304850), (268, 298025), (325, 245756), (335, 238420), (350, 228202), (364, 219425), (455, 175540), (469, 170300), (524, 152425), (650, 122878), (655, 121940), (670, 119210), (700, 114101), (871, 91700), (910, 87770), (917, 87100), (938, 85150), (1300, 61439), (1310, 60970), (1340, 59605), (1675, 47684), (1703, 46900), (1742, 45850), (1820, 43885), (1834, 43550), (1876, 42575), (2275, 35108), (2345, 34060), (2620, 30485), (3275, 24388), (3350, 23842), (3406, 23450), (3484, 22925), (3668, 21775), (4355, 18340), (4550, 17554), (4585, 17420), (4690, 17030), (6097, 13100), (6550, 12194), (6700, 11921), (6812, 11725), (8515, 9380), (8710, 9170), (8777, 9100)]