1981392670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{709}}^1\times {\mathrm{967}}^1$

素因数の和:1717

約数の個数: 48

約数和(自身を含む): 3797909280

約数和(自身を除く): 1816516610

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 709, 967, 1418, 1445, 1934, 2890, 3545, 4835, 7090, 9670, 12053, 16439, 24106, 32878, 60265, 82195, 120530, 164390, 204901, 279463, 409802, 558926, 685603, 1024505, 1371206, 1397315, 2049010, 2794630, 3428015, 6856030, 11655251, 23310502, 58276255, 116552510, 198139267, 396278534, 990696335, 1981392670]

約数ペア:

[(1, 1981392670), (2, 990696335), (5, 396278534), (10, 198139267), (17, 116552510), (34, 58276255), (85, 23310502), (170, 11655251), (289, 6856030), (578, 3428015), (709, 2794630), (967, 2049010), (1418, 1397315), (1445, 1371206), (1934, 1024505), (2890, 685603), (3545, 558926), (4835, 409802), (7090, 279463), (9670, 204901), (12053, 164390), (16439, 120530), (24106, 82195), (32878, 60265)]