251980400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2903}}^1$

素因数の和:2959

約数の個数: 120

約数和(自身を含む): 714430464

約数和(自身を除く): 462450064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 175, 200, 217, 248, 280, 310, 350, 400, 434, 496, 560, 620, 700, 775, 868, 1085, 1240, 1400, 1550, 1736, 2170, 2480, 2800, 2903, 3100, 3472, 4340, 5425, 5806, 6200, 8680, 10850, 11612, 12400, 14515, 17360, 20321, 21700, 23224, 29030, 40642, 43400, 46448, 58060, 72575, 81284, 86800, 89993, 101605, 116120, 145150, 162568, 179986, 203210, 232240, 290300, 325136, 359972, 406420, 449965, 508025, 580600, 629951, 719944, 812840, 899930, 1016050, 1161200, 1259902, 1439888, 1625680, 1799860, 2032100, 2249825, 2519804, 3149755, 3599720, 4064200, 4499650, 5039608, 6299510, 7199440, 8128400, 8999300, 10079216, 12599020, 15748775, 17998600, 25198040, 31497550, 35997200, 50396080, 62995100, 125990200, 251980400]

約数ペア:

[(1, 251980400), (2, 125990200), (4, 62995100), (5, 50396080), (7, 35997200), (8, 31497550), (10, 25198040), (14, 17998600), (16, 15748775), (20, 12599020), (25, 10079216), (28, 8999300), (31, 8128400), (35, 7199440), (40, 6299510), (50, 5039608), (56, 4499650), (62, 4064200), (70, 3599720), (80, 3149755), (100, 2519804), (112, 2249825), (124, 2032100), (140, 1799860), (155, 1625680), (175, 1439888), (200, 1259902), (217, 1161200), (248, 1016050), (280, 899930), (310, 812840), (350, 719944), (400, 629951), (434, 580600), (496, 508025), (560, 449965), (620, 406420), (700, 359972), (775, 325136), (868, 290300), (1085, 232240), (1240, 203210), (1400, 179986), (1550, 162568), (1736, 145150), (2170, 116120), (2480, 101605), (2800, 89993), (2903, 86800), (3100, 81284), (3472, 72575), (4340, 58060), (5425, 46448), (5806, 43400), (6200, 40642), (8680, 29030), (10850, 23224), (11612, 21700), (12400, 20321), (14515, 17360)]