881498240

素因数分解:

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

素因数の和:28142

約数の個数: 96

約数和(自身を含む): 2451473100

約数和(自身を除く): 1569974860

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1568, 1960, 2240, 3136, 3920, 4480, 6272, 7840, 15680, 28109, 31360, 56218, 112436, 140545, 196763, 224872, 281090, 393526, 449744, 562180, 787052, 899488, 983815, 1124360, 1377341, 1574104, 1798976, 1967630, 2248720, 2754682, 3148208, 3597952, 3935260, 4497440, 5509364, 6296416, 6886705, 7870520, 8994880, 11018728, 12592832, 13773410, 15741040, 17989760, 22037456, 25185664, 27546820, 31482080, 44074912, 55093640, 62964160, 88149824, 110187280, 125928320, 176299648, 220374560, 440749120, 881498240]

約数ペア:

[(1, 881498240), (2, 440749120), (4, 220374560), (5, 176299648), (7, 125928320), (8, 110187280), (10, 88149824), (14, 62964160), (16, 55093640), (20, 44074912), (28, 31482080), (32, 27546820), (35, 25185664), (40, 22037456), (49, 17989760), (56, 15741040), (64, 13773410), (70, 12592832), (80, 11018728), (98, 8994880), (112, 7870520), (128, 6886705), (140, 6296416), (160, 5509364), (196, 4497440), (224, 3935260), (245, 3597952), (280, 3148208), (320, 2754682), (392, 2248720), (448, 1967630), (490, 1798976), (560, 1574104), (640, 1377341), (784, 1124360), (896, 983815), (980, 899488), (1120, 787052), (1568, 562180), (1960, 449744), (2240, 393526), (3136, 281090), (3920, 224872), (4480, 196763), (6272, 140545), (7840, 112436), (15680, 56218), (28109, 31360)]