390249808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{683}}^1$

素因数の和:812

約数の個数: 80

約数和(自身を含む): 847820736

約数和(自身を除く): 457570928

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 67, 82, 104, 134, 164, 208, 268, 328, 533, 536, 656, 683, 871, 1066, 1072, 1366, 1742, 2132, 2732, 2747, 3484, 4264, 5464, 5494, 6968, 8528, 8879, 10928, 10988, 13936, 17758, 21976, 28003, 35516, 35711, 43952, 45761, 56006, 71032, 71422, 91522, 112012, 142064, 142844, 183044, 224024, 285688, 364039, 366088, 448048, 571376, 594893, 728078, 732176, 1189786, 1456156, 1876201, 2379572, 2912312, 3752402, 4759144, 5824624, 7504804, 9518288, 15009608, 24390613, 30019216, 48781226, 97562452, 195124904, 390249808]

約数ペア:

[(1, 390249808), (2, 195124904), (4, 97562452), (8, 48781226), (13, 30019216), (16, 24390613), (26, 15009608), (41, 9518288), (52, 7504804), (67, 5824624), (82, 4759144), (104, 3752402), (134, 2912312), (164, 2379572), (208, 1876201), (268, 1456156), (328, 1189786), (533, 732176), (536, 728078), (656, 594893), (683, 571376), (871, 448048), (1066, 366088), (1072, 364039), (1366, 285688), (1742, 224024), (2132, 183044), (2732, 142844), (2747, 142064), (3484, 112012), (4264, 91522), (5464, 71422), (5494, 71032), (6968, 56006), (8528, 45761), (8879, 43952), (10928, 35711), (10988, 35516), (13936, 28003), (17758, 21976)]