30197840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19867}}^1$

素因数の和:19899

約数の個数: 40

約数和(自身を含む): 73908960

約数和(自身を除く): 43711120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 19867, 39734, 79468, 99335, 158936, 198670, 317872, 377473, 397340, 754946, 794680, 1509892, 1589360, 1887365, 3019784, 3774730, 6039568, 7549460, 15098920, 30197840]

約数ペア:

[(1, 30197840), (2, 15098920), (4, 7549460), (5, 6039568), (8, 3774730), (10, 3019784), (16, 1887365), (19, 1589360), (20, 1509892), (38, 794680), (40, 754946), (76, 397340), (80, 377473), (95, 317872), (152, 198670), (190, 158936), (304, 99335), (380, 79468), (760, 39734), (1520, 19867)]