244992760

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{677}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 563824800

約数和(自身を除く): 318832040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 109, 166, 218, 332, 415, 436, 545, 664, 677, 830, 872, 1090, 1354, 1660, 2180, 2708, 3320, 3385, 4360, 5416, 6770, 9047, 13540, 18094, 27080, 36188, 45235, 56191, 72376, 73793, 90470, 112382, 147586, 180940, 224764, 280955, 295172, 361880, 368965, 449528, 561910, 590344, 737930, 1123820, 1475860, 2247640, 2951720, 6124819, 12249638, 24499276, 30624095, 48998552, 61248190, 122496380, 244992760]

約数ペア:

[(1, 244992760), (2, 122496380), (4, 61248190), (5, 48998552), (8, 30624095), (10, 24499276), (20, 12249638), (40, 6124819), (83, 2951720), (109, 2247640), (166, 1475860), (218, 1123820), (332, 737930), (415, 590344), (436, 561910), (545, 449528), (664, 368965), (677, 361880), (830, 295172), (872, 280955), (1090, 224764), (1354, 180940), (1660, 147586), (2180, 112382), (2708, 90470), (3320, 73793), (3385, 72376), (4360, 56191), (5416, 45235), (6770, 36188), (9047, 27080), (13540, 18094)]