196614400

素因数分解:

$2^8\times 5^2\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1048

約数の個数: 108

約数和(自身を含む): 502856704

約数和(自身を除く): 306242304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 496, 620, 640, 775, 800, 991, 992, 1240, 1280, 1550, 1600, 1982, 1984, 2480, 3100, 3200, 3964, 3968, 4955, 4960, 6200, 6400, 7928, 7936, 9910, 9920, 12400, 15856, 19820, 19840, 24775, 24800, 30721, 31712, 39640, 39680, 49550, 49600, 61442, 63424, 79280, 99100, 99200, 122884, 126848, 153605, 158560, 198200, 198400, 245768, 253696, 307210, 317120, 396400, 491536, 614420, 634240, 768025, 792800, 983072, 1228840, 1268480, 1536050, 1585600, 1966144, 2457680, 3072100, 3171200, 3932288, 4915360, 6144200, 6342400, 7864576, 9830720, 12288400, 19661440, 24576800, 39322880, 49153600, 98307200, 196614400]

約数ペア:

[(1, 196614400), (2, 98307200), (4, 49153600), (5, 39322880), (8, 24576800), (10, 19661440), (16, 12288400), (20, 9830720), (25, 7864576), (31, 6342400), (32, 6144200), (40, 4915360), (50, 3932288), (62, 3171200), (64, 3072100), (80, 2457680), (100, 1966144), (124, 1585600), (128, 1536050), (155, 1268480), (160, 1228840), (200, 983072), (248, 792800), (256, 768025), (310, 634240), (320, 614420), (400, 491536), (496, 396400), (620, 317120), (640, 307210), (775, 253696), (800, 245768), (991, 198400), (992, 198200), (1240, 158560), (1280, 153605), (1550, 126848), (1600, 122884), (1982, 99200), (1984, 99100), (2480, 79280), (3100, 63424), (3200, 61442), (3964, 49600), (3968, 49550), (4955, 39680), (4960, 39640), (6200, 31712), (6400, 30721), (7928, 24800), (7936, 24775), (9910, 19840), (9920, 19820), (12400, 15856)]