30910420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{397}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 69204240

約数和(自身を除く): 38293820

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 229, 340, 397, 458, 794, 916, 1145, 1588, 1985, 2290, 3893, 3970, 4580, 6749, 7786, 7940, 13498, 15572, 19465, 26996, 33745, 38930, 67490, 77860, 90913, 134980, 181826, 363652, 454565, 909130, 1545521, 1818260, 3091042, 6182084, 7727605, 15455210, 30910420]

約数ペア:

[(1, 30910420), (2, 15455210), (4, 7727605), (5, 6182084), (10, 3091042), (17, 1818260), (20, 1545521), (34, 909130), (68, 454565), (85, 363652), (170, 181826), (229, 134980), (340, 90913), (397, 77860), (458, 67490), (794, 38930), (916, 33745), (1145, 26996), (1588, 19465), (1985, 15572), (2290, 13498), (3893, 7940), (3970, 7786), (4580, 6749)]