391554520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{48221}}^1$

素因数の和:48268

約数の個数: 64

約数和(自身を含む): 1041595200

約数和(自身を除く): 650040680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 48221, 96442, 192884, 241105, 337547, 385768, 482210, 675094, 964420, 1350188, 1398409, 1687735, 1928840, 2700376, 2796818, 3375470, 5593636, 6750940, 6992045, 9788863, 11187272, 13501880, 13984090, 19577726, 27968180, 39155452, 48944315, 55936360, 78310904, 97888630, 195777260, 391554520]

約数ペア:

[(1, 391554520), (2, 195777260), (4, 97888630), (5, 78310904), (7, 55936360), (8, 48944315), (10, 39155452), (14, 27968180), (20, 19577726), (28, 13984090), (29, 13501880), (35, 11187272), (40, 9788863), (56, 6992045), (58, 6750940), (70, 5593636), (116, 3375470), (140, 2796818), (145, 2700376), (203, 1928840), (232, 1687735), (280, 1398409), (290, 1350188), (406, 964420), (580, 675094), (812, 482210), (1015, 385768), (1160, 337547), (1624, 241105), (2030, 192884), (4060, 96442), (8120, 48221)]