211720152

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:545

約数の個数: 128

約数和(自身を含む): 637056000

約数和(自身を除く): 425335848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 138, 157, 161, 168, 184, 276, 314, 322, 349, 471, 483, 552, 628, 644, 698, 942, 966, 1047, 1099, 1256, 1288, 1396, 1884, 1932, 2094, 2198, 2443, 2792, 3297, 3611, 3768, 3864, 4188, 4396, 4886, 6594, 7222, 7329, 8027, 8376, 8792, 9772, 10833, 13188, 14444, 14658, 16054, 19544, 21666, 24081, 25277, 26376, 28888, 29316, 32108, 43332, 48162, 50554, 54793, 56189, 58632, 64216, 75831, 86664, 96324, 101108, 109586, 112378, 151662, 164379, 168567, 192648, 202216, 219172, 224756, 303324, 328758, 337134, 383551, 438344, 449512, 606648, 657516, 674268, 767102, 1150653, 1260239, 1315032, 1348536, 1534204, 2301306, 2520478, 3068408, 3780717, 4602612, 5040956, 7561434, 8821673, 9205224, 10081912, 15122868, 17643346, 26465019, 30245736, 35286692, 52930038, 70573384, 105860076, 211720152]

約数ペア:

[(1, 211720152), (2, 105860076), (3, 70573384), (4, 52930038), (6, 35286692), (7, 30245736), (8, 26465019), (12, 17643346), (14, 15122868), (21, 10081912), (23, 9205224), (24, 8821673), (28, 7561434), (42, 5040956), (46, 4602612), (56, 3780717), (69, 3068408), (84, 2520478), (92, 2301306), (138, 1534204), (157, 1348536), (161, 1315032), (168, 1260239), (184, 1150653), (276, 767102), (314, 674268), (322, 657516), (349, 606648), (471, 449512), (483, 438344), (552, 383551), (628, 337134), (644, 328758), (698, 303324), (942, 224756), (966, 219172), (1047, 202216), (1099, 192648), (1256, 168567), (1288, 164379), (1396, 151662), (1884, 112378), (1932, 109586), (2094, 101108), (2198, 96324), (2443, 86664), (2792, 75831), (3297, 64216), (3611, 58632), (3768, 56189), (3864, 54793), (4188, 50554), (4396, 48162), (4886, 43332), (6594, 32108), (7222, 29316), (7329, 28888), (8027, 26376), (8376, 25277), (8792, 24081), (9772, 21666), (10833, 19544), (13188, 16054), (14444, 14658)]