38990070

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1$

素因数の和:530

約数の個数: 96

約数和(自身を含む): 116812800

約数和(自身を除く): 77822730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 199, 210, 311, 315, 398, 597, 622, 630, 933, 995, 1194, 1393, 1555, 1791, 1866, 1990, 2177, 2786, 2799, 2985, 3110, 3582, 4179, 4354, 4665, 5598, 5970, 6531, 6965, 8358, 8955, 9330, 10885, 12537, 13062, 13930, 13995, 17910, 19593, 20895, 21770, 25074, 27990, 32655, 39186, 41790, 61889, 62685, 65310, 97965, 123778, 125370, 185667, 195930, 309445, 371334, 433223, 557001, 618890, 866446, 928335, 1114002, 1299669, 1856670, 2166115, 2599338, 2785005, 3899007, 4332230, 5570010, 6498345, 7798014, 12996690, 19495035, 38990070]

約数ペア:

[(1, 38990070), (2, 19495035), (3, 12996690), (5, 7798014), (6, 6498345), (7, 5570010), (9, 4332230), (10, 3899007), (14, 2785005), (15, 2599338), (18, 2166115), (21, 1856670), (30, 1299669), (35, 1114002), (42, 928335), (45, 866446), (63, 618890), (70, 557001), (90, 433223), (105, 371334), (126, 309445), (199, 195930), (210, 185667), (311, 125370), (315, 123778), (398, 97965), (597, 65310), (622, 62685), (630, 61889), (933, 41790), (995, 39186), (1194, 32655), (1393, 27990), (1555, 25074), (1791, 21770), (1866, 20895), (1990, 19593), (2177, 17910), (2786, 13995), (2799, 13930), (2985, 13062), (3110, 12537), (3582, 10885), (4179, 9330), (4354, 8955), (4665, 8358), (5598, 6965), (5970, 6531)]