298687480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2647}}^1$

素因数の和:2709

約数の個数: 128

約数和(自身を含む): 854138880

約数和(自身を除く): 555451400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2647, 2821, 3224, 3640, 4030, 4340, 5294, 5642, 8060, 8680, 10588, 11284, 13235, 14105, 16120, 18529, 21176, 22568, 26470, 28210, 34411, 37058, 52940, 56420, 68822, 74116, 82057, 92645, 105880, 112840, 137644, 148232, 164114, 172055, 185290, 240877, 275288, 328228, 344110, 370580, 410285, 481754, 574399, 656456, 688220, 741160, 820570, 963508, 1066741, 1148798, 1204385, 1376440, 1641140, 1927016, 2133482, 2297596, 2408770, 2871995, 3282280, 4266964, 4595192, 4817540, 5333705, 5743990, 7467187, 8533928, 9635080, 10667410, 11487980, 14934374, 21334820, 22975960, 29868748, 37335935, 42669640, 59737496, 74671870, 149343740, 298687480]

約数ペア:

[(1, 298687480), (2, 149343740), (4, 74671870), (5, 59737496), (7, 42669640), (8, 37335935), (10, 29868748), (13, 22975960), (14, 21334820), (20, 14934374), (26, 11487980), (28, 10667410), (31, 9635080), (35, 8533928), (40, 7467187), (52, 5743990), (56, 5333705), (62, 4817540), (65, 4595192), (70, 4266964), (91, 3282280), (104, 2871995), (124, 2408770), (130, 2297596), (140, 2133482), (155, 1927016), (182, 1641140), (217, 1376440), (248, 1204385), (260, 1148798), (280, 1066741), (310, 963508), (364, 820570), (403, 741160), (434, 688220), (455, 656456), (520, 574399), (620, 481754), (728, 410285), (806, 370580), (868, 344110), (910, 328228), (1085, 275288), (1240, 240877), (1612, 185290), (1736, 172055), (1820, 164114), (2015, 148232), (2170, 137644), (2647, 112840), (2821, 105880), (3224, 92645), (3640, 82057), (4030, 74116), (4340, 68822), (5294, 56420), (5642, 52940), (8060, 37058), (8680, 34411), (10588, 28210), (11284, 26470), (13235, 22568), (14105, 21176), (16120, 18529)]