196812800

素因数分解:

$2^{13}\times 5^2\times {\mathrm{31}}^2$

素因数の和:98

約数の個数: 126

約数和(自身を含む): 504317889

約数和(自身を除く): 307505089

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, 512, 620, 640, 775, 800, 961, 992, 1024, 1240, 1280, 1550, 1600, 1922, 1984, 2048, 2480, 2560, 3100, 3200, 3844, 3968, 4096, 4805, 4960, 5120, 6200, 6400, 7688, 7936, 8192, 9610, 9920, 10240, 12400, 12800, 15376, 15872, 19220, 19840, 20480, 24025, 24800, 25600, 30752, 31744, 38440, 39680, 40960, 48050, 49600, 51200, 61504, 63488, 76880, 79360, 96100, 99200, 102400, 123008, 126976, 153760, 158720, 192200, 198400, 204800, 246016, 253952, 307520, 317440, 384400, 396800, 492032, 615040, 634880, 768800, 793600, 984064, 1230080, 1269760, 1537600, 1587200, 1968128, 2460160, 3075200, 3174400, 3936256, 4920320, 6150400, 6348800, 7872512, 9840640, 12300800, 19681280, 24601600, 39362560, 49203200, 98406400, 196812800]

約数ペア:

[(1, 196812800), (2, 98406400), (4, 49203200), (5, 39362560), (8, 24601600), (10, 19681280), (16, 12300800), (20, 9840640), (25, 7872512), (31, 6348800), (32, 6150400), (40, 4920320), (50, 3936256), (62, 3174400), (64, 3075200), (80, 2460160), (100, 1968128), (124, 1587200), (128, 1537600), (155, 1269760), (160, 1230080), (200, 984064), (248, 793600), (256, 768800), (310, 634880), (320, 615040), (400, 492032), (496, 396800), (512, 384400), (620, 317440), (640, 307520), (775, 253952), (800, 246016), (961, 204800), (992, 198400), (1024, 192200), (1240, 158720), (1280, 153760), (1550, 126976), (1600, 123008), (1922, 102400), (1984, 99200), (2048, 96100), (2480, 79360), (2560, 76880), (3100, 63488), (3200, 61504), (3844, 51200), (3968, 49600), (4096, 48050), (4805, 40960), (4960, 39680), (5120, 38440), (6200, 31744), (6400, 30752), (7688, 25600), (7936, 24800), (8192, 24025), (9610, 20480), (9920, 19840), (10240, 19220), (12400, 15872), (12800, 15376)]