250740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{199}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 873600

約数和(自身を除く): 622860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 199, 210, 252, 315, 398, 420, 597, 630, 796, 995, 1194, 1260, 1393, 1791, 1990, 2388, 2786, 2985, 3582, 3980, 4179, 5572, 5970, 6965, 7164, 8358, 8955, 11940, 12537, 13930, 16716, 17910, 20895, 25074, 27860, 35820, 41790, 50148, 62685, 83580, 125370, 250740]

約数ペア:

[(1, 250740), (2, 125370), (3, 83580), (4, 62685), (5, 50148), (6, 41790), (7, 35820), (9, 27860), (10, 25074), (12, 20895), (14, 17910), (15, 16716), (18, 13930), (20, 12537), (21, 11940), (28, 8955), (30, 8358), (35, 7164), (36, 6965), (42, 5970), (45, 5572), (60, 4179), (63, 3980), (70, 3582), (84, 2985), (90, 2786), (105, 2388), (126, 1990), (140, 1791), (180, 1393), (199, 1260), (210, 1194), (252, 995), (315, 796), (398, 630), (420, 597)]