208819840

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1129}}^1$

素因数の和:1182

約数の個数: 96

約数和(自身を含む): 530772300

約数和(自身を除く): 321952460

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 289, 320, 340, 544, 578, 640, 680, 1088, 1129, 1156, 1360, 1445, 2176, 2258, 2312, 2720, 2890, 4516, 4624, 5440, 5645, 5780, 9032, 9248, 10880, 11290, 11560, 18064, 18496, 19193, 22580, 23120, 36128, 36992, 38386, 45160, 46240, 72256, 76772, 90320, 92480, 95965, 144512, 153544, 180640, 184960, 191930, 307088, 326281, 361280, 383860, 614176, 652562, 722560, 767720, 1228352, 1305124, 1535440, 1631405, 2456704, 2610248, 3070880, 3262810, 5220496, 6141760, 6525620, 10440992, 12283520, 13051240, 20881984, 26102480, 41763968, 52204960, 104409920, 208819840]

約数ペア:

[(1, 208819840), (2, 104409920), (4, 52204960), (5, 41763968), (8, 26102480), (10, 20881984), (16, 13051240), (17, 12283520), (20, 10440992), (32, 6525620), (34, 6141760), (40, 5220496), (64, 3262810), (68, 3070880), (80, 2610248), (85, 2456704), (128, 1631405), (136, 1535440), (160, 1305124), (170, 1228352), (272, 767720), (289, 722560), (320, 652562), (340, 614176), (544, 383860), (578, 361280), (640, 326281), (680, 307088), (1088, 191930), (1129, 184960), (1156, 180640), (1360, 153544), (1445, 144512), (2176, 95965), (2258, 92480), (2312, 90320), (2720, 76772), (2890, 72256), (4516, 46240), (4624, 45160), (5440, 38386), (5645, 36992), (5780, 36128), (9032, 23120), (9248, 22580), (10880, 19193), (11290, 18496), (11560, 18064)]