30105740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{599}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 72576000

約数和(自身を除く): 42470260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 359, 599, 718, 1198, 1436, 1795, 2396, 2513, 2995, 3590, 4193, 5026, 5990, 7180, 8386, 10052, 11980, 12565, 16772, 20965, 25130, 41930, 50260, 83860, 215041, 430082, 860164, 1075205, 1505287, 2150410, 3010574, 4300820, 6021148, 7526435, 15052870, 30105740]

約数ペア:

[(1, 30105740), (2, 15052870), (4, 7526435), (5, 6021148), (7, 4300820), (10, 3010574), (14, 2150410), (20, 1505287), (28, 1075205), (35, 860164), (70, 430082), (140, 215041), (359, 83860), (599, 50260), (718, 41930), (1198, 25130), (1436, 20965), (1795, 16772), (2396, 12565), (2513, 11980), (2995, 10052), (3590, 8386), (4193, 7180), (5026, 5990)]