197754880

素因数分解:

$2^{15}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:123

約数の個数: 128

約数和(自身を含む): 509600160

約数和(自身を除く): 311845280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 71, 80, 85, 128, 136, 142, 160, 170, 256, 272, 284, 320, 340, 355, 512, 544, 568, 640, 680, 710, 1024, 1088, 1136, 1207, 1280, 1360, 1420, 2048, 2176, 2272, 2414, 2560, 2720, 2840, 4096, 4352, 4544, 4828, 5120, 5440, 5680, 6035, 8192, 8704, 9088, 9656, 10240, 10880, 11360, 12070, 16384, 17408, 18176, 19312, 20480, 21760, 22720, 24140, 32768, 34816, 36352, 38624, 40960, 43520, 45440, 48280, 69632, 72704, 77248, 81920, 87040, 90880, 96560, 139264, 145408, 154496, 163840, 174080, 181760, 193120, 278528, 290816, 308992, 348160, 363520, 386240, 557056, 581632, 617984, 696320, 727040, 772480, 1163264, 1235968, 1392640, 1454080, 1544960, 2326528, 2471936, 2785280, 2908160, 3089920, 4943872, 5816320, 6179840, 9887744, 11632640, 12359680, 19775488, 24719360, 39550976, 49438720, 98877440, 197754880]

約数ペア:

[(1, 197754880), (2, 98877440), (4, 49438720), (5, 39550976), (8, 24719360), (10, 19775488), (16, 12359680), (17, 11632640), (20, 9887744), (32, 6179840), (34, 5816320), (40, 4943872), (64, 3089920), (68, 2908160), (71, 2785280), (80, 2471936), (85, 2326528), (128, 1544960), (136, 1454080), (142, 1392640), (160, 1235968), (170, 1163264), (256, 772480), (272, 727040), (284, 696320), (320, 617984), (340, 581632), (355, 557056), (512, 386240), (544, 363520), (568, 348160), (640, 308992), (680, 290816), (710, 278528), (1024, 193120), (1088, 181760), (1136, 174080), (1207, 163840), (1280, 154496), (1360, 145408), (1420, 139264), (2048, 96560), (2176, 90880), (2272, 87040), (2414, 81920), (2560, 77248), (2720, 72704), (2840, 69632), (4096, 48280), (4352, 45440), (4544, 43520), (4828, 40960), (5120, 38624), (5440, 36352), (5680, 34816), (6035, 32768), (8192, 24140), (8704, 22720), (9088, 21760), (9656, 20480), (10240, 19312), (10880, 18176), (11360, 17408), (12070, 16384)]