254430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 724464

約数和(自身を除く): 470034

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 257, 330, 495, 514, 771, 990, 1285, 1542, 2313, 2570, 2827, 3855, 4626, 5654, 7710, 8481, 11565, 14135, 16962, 23130, 25443, 28270, 42405, 50886, 84810, 127215, 254430]

約数ペア:

[(1, 254430), (2, 127215), (3, 84810), (5, 50886), (6, 42405), (9, 28270), (10, 25443), (11, 23130), (15, 16962), (18, 14135), (22, 11565), (30, 8481), (33, 7710), (45, 5654), (55, 4626), (66, 3855), (90, 2827), (99, 2570), (110, 2313), (165, 1542), (198, 1285), (257, 990), (330, 771), (495, 514)]