199455880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{709}}^1$

素因数の和:1274

約数の個数: 64

約数和(自身を含む): 484873200

約数和(自身を除く): 285417320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 541, 709, 1082, 1418, 2164, 2705, 2836, 3545, 4328, 5410, 5672, 7033, 7090, 9217, 10820, 14066, 14180, 18434, 21640, 28132, 28360, 35165, 36868, 46085, 56264, 70330, 73736, 92170, 140660, 184340, 281320, 368680, 383569, 767138, 1534276, 1917845, 3068552, 3835690, 4986397, 7671380, 9972794, 15342760, 19945588, 24931985, 39891176, 49863970, 99727940, 199455880]

約数ペア:

[(1, 199455880), (2, 99727940), (4, 49863970), (5, 39891176), (8, 24931985), (10, 19945588), (13, 15342760), (20, 9972794), (26, 7671380), (40, 4986397), (52, 3835690), (65, 3068552), (104, 1917845), (130, 1534276), (260, 767138), (520, 383569), (541, 368680), (709, 281320), (1082, 184340), (1418, 140660), (2164, 92170), (2705, 73736), (2836, 70330), (3545, 56264), (4328, 46085), (5410, 36868), (5672, 35165), (7033, 28360), (7090, 28132), (9217, 21640), (10820, 18434), (14066, 14180)]