404775280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^3\times {\mathrm{47}}^1$

素因数の和:113

約数の個数: 240

約数和(自身を含む): 1211172480

約数和(自身を除く): 806397200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 47, 49, 52, 56, 65, 70, 80, 91, 94, 98, 104, 112, 130, 140, 169, 182, 188, 196, 208, 235, 245, 260, 280, 329, 338, 364, 376, 392, 455, 470, 490, 520, 560, 611, 637, 658, 676, 728, 752, 784, 845, 910, 940, 980, 1040, 1183, 1222, 1274, 1316, 1352, 1456, 1645, 1690, 1820, 1880, 1960, 2197, 2303, 2366, 2444, 2548, 2632, 2704, 3055, 3185, 3290, 3380, 3640, 3760, 3920, 4277, 4394, 4606, 4732, 4888, 5096, 5264, 5915, 6110, 6370, 6580, 6760, 7280, 7943, 8281, 8554, 8788, 9212, 9464, 9776, 10192, 10985, 11515, 11830, 12220, 12740, 13160, 13520, 15379, 15886, 16562, 17108, 17576, 18424, 18928, 21385, 21970, 23030, 23660, 24440, 25480, 26320, 29939, 30758, 31772, 33124, 34216, 35152, 36848, 39715, 41405, 42770, 43940, 46060, 47320, 48880, 50960, 55601, 59878, 61516, 63544, 66248, 68432, 76895, 79430, 82810, 85540, 87880, 92120, 94640, 103259, 107653, 111202, 119756, 123032, 127088, 132496, 149695, 153790, 158860, 165620, 171080, 175760, 184240, 206518, 215306, 222404, 239512, 246064, 278005, 299390, 307580, 317720, 331240, 342160, 389207, 413036, 430612, 444808, 479024, 516295, 538265, 556010, 598780, 615160, 635440, 662480, 722813, 778414, 826072, 861224, 889616, 1032590, 1076530, 1112020, 1197560, 1230320, 1445626, 1556828, 1652144, 1722448, 1946035, 2065180, 2153060, 2224040, 2395120, 2891252, 3113656, 3614065, 3892070, 4130360, 4306120, 4448080, 5059691, 5782504, 6227312, 7228130, 7784140, 8260720, 8612240, 10119382, 11565008, 14456260, 15568280, 20238764, 25298455, 28912520, 31136560, 40477528, 50596910, 57825040, 80955056, 101193820, 202387640, 404775280]

約数ペア:

[(1, 404775280), (2, 202387640), (4, 101193820), (5, 80955056), (7, 57825040), (8, 50596910), (10, 40477528), (13, 31136560), (14, 28912520), (16, 25298455), (20, 20238764), (26, 15568280), (28, 14456260), (35, 11565008), (40, 10119382), (47, 8612240), (49, 8260720), (52, 7784140), (56, 7228130), (65, 6227312), (70, 5782504), (80, 5059691), (91, 4448080), (94, 4306120), (98, 4130360), (104, 3892070), (112, 3614065), (130, 3113656), (140, 2891252), (169, 2395120), (182, 2224040), (188, 2153060), (196, 2065180), (208, 1946035), (235, 1722448), (245, 1652144), (260, 1556828), (280, 1445626), (329, 1230320), (338, 1197560), (364, 1112020), (376, 1076530), (392, 1032590), (455, 889616), (470, 861224), (490, 826072), (520, 778414), (560, 722813), (611, 662480), (637, 635440), (658, 615160), (676, 598780), (728, 556010), (752, 538265), (784, 516295), (845, 479024), (910, 444808), (940, 430612), (980, 413036), (1040, 389207), (1183, 342160), (1222, 331240), (1274, 317720), (1316, 307580), (1352, 299390), (1456, 278005), (1645, 246064), (1690, 239512), (1820, 222404), (1880, 215306), (1960, 206518), (2197, 184240), (2303, 175760), (2366, 171080), (2444, 165620), (2548, 158860), (2632, 153790), (2704, 149695), (3055, 132496), (3185, 127088), (3290, 123032), (3380, 119756), (3640, 111202), (3760, 107653), (3920, 103259), (4277, 94640), (4394, 92120), (4606, 87880), (4732, 85540), (4888, 82810), (5096, 79430), (5264, 76895), (5915, 68432), (6110, 66248), (6370, 63544), (6580, 61516), (6760, 59878), (7280, 55601), (7943, 50960), (8281, 48880), (8554, 47320), (8788, 46060), (9212, 43940), (9464, 42770), (9776, 41405), (10192, 39715), (10985, 36848), (11515, 35152), (11830, 34216), (12220, 33124), (12740, 31772), (13160, 30758), (13520, 29939), (15379, 26320), (15886, 25480), (16562, 24440), (17108, 23660), (17576, 23030), (18424, 21970), (18928, 21385)]