197447680

素因数分解:

$2^{12}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:371

約数の個数: 104

約数和(自身を含む): 490673664

約数和(自身を除く): 293225984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 311, 320, 496, 512, 620, 622, 640, 992, 1024, 1240, 1244, 1280, 1555, 1984, 2048, 2480, 2488, 2560, 3110, 3968, 4096, 4960, 4976, 5120, 6220, 7936, 9641, 9920, 9952, 10240, 12440, 15872, 19282, 19840, 19904, 20480, 24880, 31744, 38564, 39680, 39808, 48205, 49760, 63488, 77128, 79360, 79616, 96410, 99520, 126976, 154256, 158720, 159232, 192820, 199040, 308512, 317440, 318464, 385640, 398080, 617024, 634880, 636928, 771280, 796160, 1234048, 1273856, 1542560, 1592320, 2468096, 3085120, 3184640, 4936192, 6170240, 6369280, 9872384, 12340480, 19744768, 24680960, 39489536, 49361920, 98723840, 197447680]

約数ペア:

[(1, 197447680), (2, 98723840), (4, 49361920), (5, 39489536), (8, 24680960), (10, 19744768), (16, 12340480), (20, 9872384), (31, 6369280), (32, 6170240), (40, 4936192), (62, 3184640), (64, 3085120), (80, 2468096), (124, 1592320), (128, 1542560), (155, 1273856), (160, 1234048), (248, 796160), (256, 771280), (310, 636928), (311, 634880), (320, 617024), (496, 398080), (512, 385640), (620, 318464), (622, 317440), (640, 308512), (992, 199040), (1024, 192820), (1240, 159232), (1244, 158720), (1280, 154256), (1555, 126976), (1984, 99520), (2048, 96410), (2480, 79616), (2488, 79360), (2560, 77128), (3110, 63488), (3968, 49760), (4096, 48205), (4960, 39808), (4976, 39680), (5120, 38564), (6220, 31744), (7936, 24880), (9641, 20480), (9920, 19904), (9952, 19840), (10240, 19282), (12440, 15872)]