385655480

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{28109}}^1$

素因数の和:28141

約数の個数: 64

約数和(自身を含む): 1011960000

約数和(自身を除く): 626304520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 13720, 28109, 56218, 112436, 140545, 196763, 224872, 281090, 393526, 562180, 787052, 983815, 1124360, 1377341, 1574104, 1967630, 2754682, 3935260, 5509364, 6886705, 7870520, 9641387, 11018728, 13773410, 19282774, 27546820, 38565548, 48206935, 55093640, 77131096, 96413870, 192827740, 385655480]

約数ペア:

[(1, 385655480), (2, 192827740), (4, 96413870), (5, 77131096), (7, 55093640), (8, 48206935), (10, 38565548), (14, 27546820), (20, 19282774), (28, 13773410), (35, 11018728), (40, 9641387), (49, 7870520), (56, 6886705), (70, 5509364), (98, 3935260), (140, 2754682), (196, 1967630), (245, 1574104), (280, 1377341), (343, 1124360), (392, 983815), (490, 787052), (686, 562180), (980, 393526), (1372, 281090), (1715, 224872), (1960, 196763), (2744, 140545), (3430, 112436), (6860, 56218), (13720, 28109)]