30382940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:176

約数の個数: 96

約数和(自身を含む): 76876800

約数和(自身を除く): 46493860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 103, 140, 172, 196, 206, 215, 245, 301, 343, 412, 430, 490, 515, 602, 686, 721, 860, 980, 1030, 1204, 1372, 1442, 1505, 1715, 2060, 2107, 2884, 3010, 3430, 3605, 4214, 4429, 5047, 6020, 6860, 7210, 8428, 8858, 10094, 10535, 14420, 14749, 17716, 20188, 21070, 22145, 25235, 29498, 31003, 35329, 42140, 44290, 50470, 58996, 62006, 70658, 73745, 88580, 100940, 124012, 141316, 147490, 155015, 176645, 217021, 294980, 310030, 353290, 434042, 620060, 706580, 868084, 1085105, 1519147, 2170210, 3038294, 4340420, 6076588, 7595735, 15191470, 30382940]

約数ペア:

[(1, 30382940), (2, 15191470), (4, 7595735), (5, 6076588), (7, 4340420), (10, 3038294), (14, 2170210), (20, 1519147), (28, 1085105), (35, 868084), (43, 706580), (49, 620060), (70, 434042), (86, 353290), (98, 310030), (103, 294980), (140, 217021), (172, 176645), (196, 155015), (206, 147490), (215, 141316), (245, 124012), (301, 100940), (343, 88580), (412, 73745), (430, 70658), (490, 62006), (515, 58996), (602, 50470), (686, 44290), (721, 42140), (860, 35329), (980, 31003), (1030, 29498), (1204, 25235), (1372, 22145), (1442, 21070), (1505, 20188), (1715, 17716), (2060, 14749), (2107, 14420), (2884, 10535), (3010, 10094), (3430, 8858), (3605, 8428), (4214, 7210), (4429, 6860), (5047, 6020)]