254037160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1069}}^1$

素因数の和:1550

約数の個数: 64

約数和(自身を含む): 617475600

約数和(自身を除く): 363438440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 457, 520, 914, 1069, 1828, 2138, 2285, 3656, 4276, 4570, 5345, 5941, 8552, 9140, 10690, 11882, 13897, 18280, 21380, 23764, 27794, 29705, 42760, 47528, 55588, 59410, 69485, 111176, 118820, 138970, 237640, 277940, 488533, 555880, 977066, 1954132, 2442665, 3908264, 4885330, 6350929, 9770660, 12701858, 19541320, 25403716, 31754645, 50807432, 63509290, 127018580, 254037160]

約数ペア:

[(1, 254037160), (2, 127018580), (4, 63509290), (5, 50807432), (8, 31754645), (10, 25403716), (13, 19541320), (20, 12701858), (26, 9770660), (40, 6350929), (52, 4885330), (65, 3908264), (104, 2442665), (130, 1954132), (260, 977066), (457, 555880), (520, 488533), (914, 277940), (1069, 237640), (1828, 138970), (2138, 118820), (2285, 111176), (3656, 69485), (4276, 59410), (4570, 55588), (5345, 47528), (5941, 42760), (8552, 29705), (9140, 27794), (10690, 23764), (11882, 21380), (13897, 18280)]