217883970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{12289}}^1$

素因数の和:12499

約数の個数: 48

約数和(自身を含む): 569420280

約数和(自身を除く): 351536310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 197, 394, 591, 985, 1182, 1773, 1970, 2955, 3546, 5910, 8865, 12289, 17730, 24578, 36867, 61445, 73734, 110601, 122890, 184335, 221202, 368670, 553005, 1106010, 2420933, 4841866, 7262799, 12104665, 14525598, 21788397, 24209330, 36313995, 43576794, 72627990, 108941985, 217883970]

約数ペア:

[(1, 217883970), (2, 108941985), (3, 72627990), (5, 43576794), (6, 36313995), (9, 24209330), (10, 21788397), (15, 14525598), (18, 12104665), (30, 7262799), (45, 4841866), (90, 2420933), (197, 1106010), (394, 553005), (591, 368670), (985, 221202), (1182, 184335), (1773, 122890), (1970, 110601), (2955, 73734), (3546, 61445), (5910, 36867), (8865, 24578), (12289, 17730)]