253000300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 659957760

約数和(自身を除く): 406957460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 89, 100, 124, 131, 140, 155, 175, 178, 217, 262, 310, 350, 356, 434, 445, 524, 620, 623, 655, 700, 775, 868, 890, 917, 1085, 1246, 1310, 1550, 1780, 1834, 2170, 2225, 2492, 2620, 2759, 3100, 3115, 3275, 3668, 4061, 4340, 4450, 4585, 5425, 5518, 6230, 6550, 8122, 8900, 9170, 10850, 11036, 11659, 12460, 13100, 13795, 15575, 16244, 18340, 19313, 20305, 21700, 22925, 23318, 27590, 28427, 31150, 38626, 40610, 45850, 46636, 55180, 56854, 58295, 62300, 68975, 77252, 81220, 81613, 91700, 96565, 101525, 113708, 116590, 137950, 142135, 163226, 193130, 203050, 233180, 275900, 284270, 291475, 326452, 361429, 386260, 406100, 408065, 482825, 568540, 582950, 710675, 722858, 816130, 965650, 1165900, 1421350, 1445716, 1632260, 1807145, 1931300, 2040325, 2530003, 2842700, 3614290, 4080650, 5060006, 7228580, 8161300, 9035725, 10120012, 12650015, 18071450, 25300030, 36142900, 50600060, 63250075, 126500150, 253000300]

約数ペア:

[(1, 253000300), (2, 126500150), (4, 63250075), (5, 50600060), (7, 36142900), (10, 25300030), (14, 18071450), (20, 12650015), (25, 10120012), (28, 9035725), (31, 8161300), (35, 7228580), (50, 5060006), (62, 4080650), (70, 3614290), (89, 2842700), (100, 2530003), (124, 2040325), (131, 1931300), (140, 1807145), (155, 1632260), (175, 1445716), (178, 1421350), (217, 1165900), (262, 965650), (310, 816130), (350, 722858), (356, 710675), (434, 582950), (445, 568540), (524, 482825), (620, 408065), (623, 406100), (655, 386260), (700, 361429), (775, 326452), (868, 291475), (890, 284270), (917, 275900), (1085, 233180), (1246, 203050), (1310, 193130), (1550, 163226), (1780, 142135), (1834, 137950), (2170, 116590), (2225, 113708), (2492, 101525), (2620, 96565), (2759, 91700), (3100, 81613), (3115, 81220), (3275, 77252), (3668, 68975), (4061, 62300), (4340, 58295), (4450, 56854), (4585, 55180), (5425, 46636), (5518, 45850), (6230, 40610), (6550, 38626), (8122, 31150), (8900, 28427), (9170, 27590), (10850, 23318), (11036, 22925), (11659, 21700), (12460, 20305), (13100, 19313), (13795, 18340), (15575, 16244)]