199352320

素因数分解:

$2^{13}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:219

約数の個数: 112

約数和(自身を含む): 496994688

約数和(自身を除く): 297642368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 157, 160, 248, 256, 310, 314, 320, 496, 512, 620, 628, 640, 785, 992, 1024, 1240, 1256, 1280, 1570, 1984, 2048, 2480, 2512, 2560, 3140, 3968, 4096, 4867, 4960, 5024, 5120, 6280, 7936, 8192, 9734, 9920, 10048, 10240, 12560, 15872, 19468, 19840, 20096, 20480, 24335, 25120, 31744, 38936, 39680, 40192, 40960, 48670, 50240, 63488, 77872, 79360, 80384, 97340, 100480, 126976, 155744, 158720, 160768, 194680, 200960, 253952, 311488, 317440, 321536, 389360, 401920, 622976, 634880, 643072, 778720, 803840, 1245952, 1269760, 1286144, 1557440, 1607680, 2491904, 3114880, 3215360, 4983808, 6229760, 6430720, 9967616, 12459520, 19935232, 24919040, 39870464, 49838080, 99676160, 199352320]

約数ペア:

[(1, 199352320), (2, 99676160), (4, 49838080), (5, 39870464), (8, 24919040), (10, 19935232), (16, 12459520), (20, 9967616), (31, 6430720), (32, 6229760), (40, 4983808), (62, 3215360), (64, 3114880), (80, 2491904), (124, 1607680), (128, 1557440), (155, 1286144), (157, 1269760), (160, 1245952), (248, 803840), (256, 778720), (310, 643072), (314, 634880), (320, 622976), (496, 401920), (512, 389360), (620, 321536), (628, 317440), (640, 311488), (785, 253952), (992, 200960), (1024, 194680), (1240, 160768), (1256, 158720), (1280, 155744), (1570, 126976), (1984, 100480), (2048, 97340), (2480, 80384), (2512, 79360), (2560, 77872), (3140, 63488), (3968, 50240), (4096, 48670), (4867, 40960), (4960, 40192), (5024, 39680), (5120, 38936), (6280, 31744), (7936, 25120), (8192, 24335), (9734, 20480), (9920, 20096), (10048, 19840), (10240, 19468), (12560, 15872)]