30609860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{457}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 68557104

約数和(自身を除く): 37947244

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 197, 340, 394, 457, 788, 914, 985, 1828, 1970, 2285, 3349, 3940, 4570, 6698, 7769, 9140, 13396, 15538, 16745, 31076, 33490, 38845, 66980, 77690, 90029, 155380, 180058, 360116, 450145, 900290, 1530493, 1800580, 3060986, 6121972, 7652465, 15304930, 30609860]

約数ペア:

[(1, 30609860), (2, 15304930), (4, 7652465), (5, 6121972), (10, 3060986), (17, 1800580), (20, 1530493), (34, 900290), (68, 450145), (85, 360116), (170, 180058), (197, 155380), (340, 90029), (394, 77690), (457, 66980), (788, 38845), (914, 33490), (985, 31076), (1828, 16745), (1970, 15538), (2285, 13396), (3349, 9140), (3940, 7769), (4570, 6698)]