400395216

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:309

約数の個数: 160

約数和(自身を含む): 1156398208

約数和(自身を除く): 756002992

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 61, 67, 78, 104, 122, 134, 156, 157, 183, 201, 208, 244, 268, 312, 314, 366, 402, 471, 488, 536, 624, 628, 732, 793, 804, 871, 942, 976, 1072, 1256, 1464, 1586, 1608, 1742, 1884, 2041, 2379, 2512, 2613, 2928, 3172, 3216, 3484, 3768, 4082, 4087, 4758, 5226, 6123, 6344, 6968, 7536, 8164, 8174, 9516, 9577, 10452, 10519, 12246, 12261, 12688, 13936, 16328, 16348, 19032, 19154, 20904, 21038, 24492, 24522, 28731, 31557, 32656, 32696, 38064, 38308, 41808, 42076, 48984, 49044, 53131, 57462, 63114, 65392, 76616, 84152, 97968, 98088, 106262, 114924, 124501, 126228, 136747, 153232, 159393, 168304, 196176, 212524, 229848, 249002, 252456, 273494, 318786, 373503, 410241, 425048, 459696, 498004, 504912, 546988, 637572, 641659, 747006, 820482, 850096, 996008, 1093976, 1275144, 1283318, 1494012, 1640964, 1924977, 1992016, 2187952, 2550288, 2566636, 2988024, 3281928, 3849954, 5133272, 5976048, 6563856, 7699908, 8341567, 10266544, 15399816, 16683134, 25024701, 30799632, 33366268, 50049402, 66732536, 100098804, 133465072, 200197608, 400395216]

約数ペア:

[(1, 400395216), (2, 200197608), (3, 133465072), (4, 100098804), (6, 66732536), (8, 50049402), (12, 33366268), (13, 30799632), (16, 25024701), (24, 16683134), (26, 15399816), (39, 10266544), (48, 8341567), (52, 7699908), (61, 6563856), (67, 5976048), (78, 5133272), (104, 3849954), (122, 3281928), (134, 2988024), (156, 2566636), (157, 2550288), (183, 2187952), (201, 1992016), (208, 1924977), (244, 1640964), (268, 1494012), (312, 1283318), (314, 1275144), (366, 1093976), (402, 996008), (471, 850096), (488, 820482), (536, 747006), (624, 641659), (628, 637572), (732, 546988), (793, 504912), (804, 498004), (871, 459696), (942, 425048), (976, 410241), (1072, 373503), (1256, 318786), (1464, 273494), (1586, 252456), (1608, 249002), (1742, 229848), (1884, 212524), (2041, 196176), (2379, 168304), (2512, 159393), (2613, 153232), (2928, 136747), (3172, 126228), (3216, 124501), (3484, 114924), (3768, 106262), (4082, 98088), (4087, 97968), (4758, 84152), (5226, 76616), (6123, 65392), (6344, 63114), (6968, 57462), (7536, 53131), (8164, 49044), (8174, 48984), (9516, 42076), (9577, 41808), (10452, 38308), (10519, 38064), (12246, 32696), (12261, 32656), (12688, 31557), (13936, 28731), (16328, 24522), (16348, 24492), (19032, 21038), (19154, 20904)]