399375312

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{51679}}^1$

素因数の和:51720

約数の個数: 80

約数和(自身を含む): 1230397440

約数和(自身を除く): 831022128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 69, 84, 92, 112, 138, 161, 168, 184, 276, 322, 336, 368, 483, 552, 644, 966, 1104, 1288, 1932, 2576, 3864, 7728, 51679, 103358, 155037, 206716, 310074, 361753, 413432, 620148, 723506, 826864, 1085259, 1188617, 1240296, 1447012, 2170518, 2377234, 2480592, 2894024, 3565851, 4341036, 4754468, 5788048, 7131702, 8320319, 8682072, 9508936, 14263404, 16640638, 17364144, 19017872, 24960957, 28526808, 33281276, 49921914, 57053616, 66562552, 99843828, 133125104, 199687656, 399375312]

約数ペア:

[(1, 399375312), (2, 199687656), (3, 133125104), (4, 99843828), (6, 66562552), (7, 57053616), (8, 49921914), (12, 33281276), (14, 28526808), (16, 24960957), (21, 19017872), (23, 17364144), (24, 16640638), (28, 14263404), (42, 9508936), (46, 8682072), (48, 8320319), (56, 7131702), (69, 5788048), (84, 4754468), (92, 4341036), (112, 3565851), (138, 2894024), (161, 2480592), (168, 2377234), (184, 2170518), (276, 1447012), (322, 1240296), (336, 1188617), (368, 1085259), (483, 826864), (552, 723506), (644, 620148), (966, 413432), (1104, 361753), (1288, 310074), (1932, 206716), (2576, 155037), (3864, 103358), (7728, 51679)]