202980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 604800

約数和(自身を除く): 401820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 199, 204, 255, 340, 398, 510, 597, 796, 995, 1020, 1194, 1990, 2388, 2985, 3383, 3980, 5970, 6766, 10149, 11940, 13532, 16915, 20298, 33830, 40596, 50745, 67660, 101490, 202980]

約数ペア:

[(1, 202980), (2, 101490), (3, 67660), (4, 50745), (5, 40596), (6, 33830), (10, 20298), (12, 16915), (15, 13532), (17, 11940), (20, 10149), (30, 6766), (34, 5970), (51, 3980), (60, 3383), (68, 2985), (85, 2388), (102, 1990), (170, 1194), (199, 1020), (204, 995), (255, 796), (340, 597), (398, 510)]