400322748

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{11161}}^1$

素因数の和:11243

約数の個数: 72

約数和(自身を含む): 1104502224

約数和(自身を除く): 704179476

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 61, 84, 98, 122, 147, 183, 196, 244, 294, 366, 427, 588, 732, 854, 1281, 1708, 2562, 2989, 5124, 5978, 8967, 11161, 11956, 17934, 22322, 33483, 35868, 44644, 66966, 78127, 133932, 156254, 234381, 312508, 468762, 546889, 680821, 937524, 1093778, 1361642, 1640667, 2042463, 2187556, 2723284, 3281334, 4084926, 4765747, 6562668, 8169852, 9531494, 14297241, 19062988, 28594482, 33360229, 57188964, 66720458, 100080687, 133440916, 200161374, 400322748]

約数ペア:

[(1, 400322748), (2, 200161374), (3, 133440916), (4, 100080687), (6, 66720458), (7, 57188964), (12, 33360229), (14, 28594482), (21, 19062988), (28, 14297241), (42, 9531494), (49, 8169852), (61, 6562668), (84, 4765747), (98, 4084926), (122, 3281334), (147, 2723284), (183, 2187556), (196, 2042463), (244, 1640667), (294, 1361642), (366, 1093778), (427, 937524), (588, 680821), (732, 546889), (854, 468762), (1281, 312508), (1708, 234381), (2562, 156254), (2989, 133932), (5124, 78127), (5978, 66966), (8967, 44644), (11161, 35868), (11956, 33483), (17934, 22322)]