221403520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:157

約数の個数: 192

約数和(自身を含む): 604778400

約数和(自身を除く): 383374880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 89, 92, 104, 115, 128, 130, 160, 169, 178, 184, 208, 230, 260, 299, 320, 338, 356, 368, 416, 445, 460, 520, 598, 640, 676, 712, 736, 832, 845, 890, 920, 1040, 1157, 1196, 1352, 1424, 1472, 1495, 1664, 1690, 1780, 1840, 2047, 2080, 2314, 2392, 2704, 2848, 2944, 2990, 3380, 3560, 3680, 3887, 4094, 4160, 4628, 4784, 5408, 5696, 5785, 5980, 6760, 7120, 7360, 7774, 8188, 8320, 9256, 9568, 10235, 10816, 11392, 11570, 11960, 13520, 14240, 14720, 15041, 15548, 16376, 18512, 19136, 19435, 20470, 21632, 23140, 23920, 26611, 27040, 28480, 30082, 31096, 32752, 37024, 38272, 38870, 40940, 46280, 47840, 53222, 54080, 56960, 60164, 62192, 65504, 74048, 75205, 77740, 81880, 92560, 95680, 106444, 108160, 120328, 124384, 131008, 133055, 148096, 150410, 155480, 163760, 185120, 191360, 212888, 240656, 248768, 262016, 266110, 300820, 310960, 327520, 345943, 370240, 425776, 481312, 497536, 532220, 601640, 621920, 655040, 691886, 740480, 851552, 962624, 1064440, 1203280, 1243840, 1310080, 1383772, 1703104, 1729715, 1925248, 2128880, 2406560, 2487680, 2767544, 3406208, 3459430, 4257760, 4813120, 5535088, 6918860, 8515520, 9626240, 11070176, 13837720, 17031040, 22140352, 27675440, 44280704, 55350880, 110701760, 221403520]

約数ペア:

[(1, 221403520), (2, 110701760), (4, 55350880), (5, 44280704), (8, 27675440), (10, 22140352), (13, 17031040), (16, 13837720), (20, 11070176), (23, 9626240), (26, 8515520), (32, 6918860), (40, 5535088), (46, 4813120), (52, 4257760), (64, 3459430), (65, 3406208), (80, 2767544), (89, 2487680), (92, 2406560), (104, 2128880), (115, 1925248), (128, 1729715), (130, 1703104), (160, 1383772), (169, 1310080), (178, 1243840), (184, 1203280), (208, 1064440), (230, 962624), (260, 851552), (299, 740480), (320, 691886), (338, 655040), (356, 621920), (368, 601640), (416, 532220), (445, 497536), (460, 481312), (520, 425776), (598, 370240), (640, 345943), (676, 327520), (712, 310960), (736, 300820), (832, 266110), (845, 262016), (890, 248768), (920, 240656), (1040, 212888), (1157, 191360), (1196, 185120), (1352, 163760), (1424, 155480), (1472, 150410), (1495, 148096), (1664, 133055), (1690, 131008), (1780, 124384), (1840, 120328), (2047, 108160), (2080, 106444), (2314, 95680), (2392, 92560), (2704, 81880), (2848, 77740), (2944, 75205), (2990, 74048), (3380, 65504), (3560, 62192), (3680, 60164), (3887, 56960), (4094, 54080), (4160, 53222), (4628, 47840), (4784, 46280), (5408, 40940), (5696, 38870), (5785, 38272), (5980, 37024), (6760, 32752), (7120, 31096), (7360, 30082), (7774, 28480), (8188, 27040), (8320, 26611), (9256, 23920), (9568, 23140), (10235, 21632), (10816, 20470), (11392, 19435), (11570, 19136), (11960, 18512), (13520, 16376), (14240, 15548), (14720, 15041)]