222720940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{839}}^1\times {\mathrm{1021}}^1$

素因数の和:1882

約数の個数: 48

約数和(自身を含む): 504786240

約数和(自身を除く): 282065300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 839, 1021, 1678, 2042, 3356, 4084, 4195, 5105, 8390, 10210, 10907, 13273, 16780, 20420, 21814, 26546, 43628, 53092, 54535, 66365, 109070, 132730, 218140, 265460, 856619, 1713238, 3426476, 4283095, 8566190, 11136047, 17132380, 22272094, 44544188, 55680235, 111360470, 222720940]

約数ペア:

[(1, 222720940), (2, 111360470), (4, 55680235), (5, 44544188), (10, 22272094), (13, 17132380), (20, 11136047), (26, 8566190), (52, 4283095), (65, 3426476), (130, 1713238), (260, 856619), (839, 265460), (1021, 218140), (1678, 132730), (2042, 109070), (3356, 66365), (4084, 54535), (4195, 53092), (5105, 43628), (8390, 26546), (10210, 21814), (10907, 20420), (13273, 16780)]