15358820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 34473600

約数和(自身を除く): 19114780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 199, 227, 340, 398, 454, 796, 908, 995, 1135, 1990, 2270, 3383, 3859, 3980, 4540, 6766, 7718, 13532, 15436, 16915, 19295, 33830, 38590, 45173, 67660, 77180, 90346, 180692, 225865, 451730, 767941, 903460, 1535882, 3071764, 3839705, 7679410, 15358820]

約数ペア:

[(1, 15358820), (2, 7679410), (4, 3839705), (5, 3071764), (10, 1535882), (17, 903460), (20, 767941), (34, 451730), (68, 225865), (85, 180692), (170, 90346), (199, 77180), (227, 67660), (340, 45173), (398, 38590), (454, 33830), (796, 19295), (908, 16915), (995, 15436), (1135, 13532), (1990, 7718), (2270, 6766), (3383, 4540), (3859, 3980)]