30819964

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 64350720

約数和(自身を除く): 33530756

約数列:

[1, 2, 4, 7, 14, 28, 37, 71, 74, 142, 148, 259, 284, 419, 497, 518, 838, 994, 1036, 1676, 1988, 2627, 2933, 5254, 5866, 10508, 11732, 15503, 18389, 29749, 31006, 36778, 59498, 62012, 73556, 108521, 118996, 208243, 217042, 416486, 434084, 832972, 1100713, 2201426, 4402852, 7704991, 15409982, 30819964]

約数ペア:

[(1, 30819964), (2, 15409982), (4, 7704991), (7, 4402852), (14, 2201426), (28, 1100713), (37, 832972), (71, 434084), (74, 416486), (142, 217042), (148, 208243), (259, 118996), (284, 108521), (419, 73556), (497, 62012), (518, 59498), (838, 36778), (994, 31006), (1036, 29749), (1676, 18389), (1988, 15503), (2627, 11732), (2933, 10508), (5254, 5866)]