15204460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 34128864

約数和(自身を除く): 18924404

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 197, 227, 340, 394, 454, 788, 908, 985, 1135, 1970, 2270, 3349, 3859, 3940, 4540, 6698, 7718, 13396, 15436, 16745, 19295, 33490, 38590, 44719, 66980, 77180, 89438, 178876, 223595, 447190, 760223, 894380, 1520446, 3040892, 3801115, 7602230, 15204460]

約数ペア:

[(1, 15204460), (2, 7602230), (4, 3801115), (5, 3040892), (10, 1520446), (17, 894380), (20, 760223), (34, 447190), (68, 223595), (85, 178876), (170, 89438), (197, 77180), (227, 66980), (340, 44719), (394, 38590), (454, 33490), (788, 19295), (908, 16745), (985, 15436), (1135, 13396), (1970, 7718), (2270, 6698), (3349, 4540), (3859, 3940)]