245768000

素因数分解:

$2^6\times 5^3\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1049

約数の個数: 112

約数和(自身を含む): 628912128

約数和(自身を除く): 383144128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 155, 160, 200, 248, 250, 310, 320, 400, 496, 500, 620, 775, 800, 991, 992, 1000, 1240, 1550, 1600, 1982, 1984, 2000, 2480, 3100, 3875, 3964, 4000, 4955, 4960, 6200, 7750, 7928, 8000, 9910, 9920, 12400, 15500, 15856, 19820, 24775, 24800, 30721, 31000, 31712, 39640, 49550, 49600, 61442, 62000, 63424, 79280, 99100, 122884, 123875, 124000, 153605, 158560, 198200, 245768, 247750, 248000, 307210, 317120, 396400, 491536, 495500, 614420, 768025, 792800, 983072, 991000, 1228840, 1536050, 1585600, 1966144, 1982000, 2457680, 3072100, 3840125, 3964000, 4915360, 6144200, 7680250, 7928000, 9830720, 12288400, 15360500, 24576800, 30721000, 49153600, 61442000, 122884000, 245768000]

約数ペア:

[(1, 245768000), (2, 122884000), (4, 61442000), (5, 49153600), (8, 30721000), (10, 24576800), (16, 15360500), (20, 12288400), (25, 9830720), (31, 7928000), (32, 7680250), (40, 6144200), (50, 4915360), (62, 3964000), (64, 3840125), (80, 3072100), (100, 2457680), (124, 1982000), (125, 1966144), (155, 1585600), (160, 1536050), (200, 1228840), (248, 991000), (250, 983072), (310, 792800), (320, 768025), (400, 614420), (496, 495500), (500, 491536), (620, 396400), (775, 317120), (800, 307210), (991, 248000), (992, 247750), (1000, 245768), (1240, 198200), (1550, 158560), (1600, 153605), (1982, 124000), (1984, 123875), (2000, 122884), (2480, 99100), (3100, 79280), (3875, 63424), (3964, 62000), (4000, 61442), (4955, 49600), (4960, 49550), (6200, 39640), (7750, 31712), (7928, 31000), (8000, 30721), (9910, 24800), (9920, 24775), (12400, 19820), (15500, 15856)]