202398680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{1637}}^1$

素因数の和:1940

約数の個数: 64

約数和(自身を含む): 498869280

約数和(自身を除く): 296470600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 281, 440, 562, 1124, 1405, 1637, 2248, 2810, 3091, 3274, 5620, 6182, 6548, 8185, 11240, 12364, 13096, 15455, 16370, 18007, 24728, 30910, 32740, 36014, 61820, 65480, 72028, 90035, 123640, 144056, 180070, 360140, 459997, 720280, 919994, 1839988, 2299985, 3679976, 4599970, 5059967, 9199940, 10119934, 18399880, 20239868, 25299835, 40479736, 50599670, 101199340, 202398680]

約数ペア:

[(1, 202398680), (2, 101199340), (4, 50599670), (5, 40479736), (8, 25299835), (10, 20239868), (11, 18399880), (20, 10119934), (22, 9199940), (40, 5059967), (44, 4599970), (55, 3679976), (88, 2299985), (110, 1839988), (220, 919994), (281, 720280), (440, 459997), (562, 360140), (1124, 180070), (1405, 144056), (1637, 123640), (2248, 90035), (2810, 72028), (3091, 65480), (3274, 61820), (5620, 36014), (6182, 32740), (6548, 30910), (8185, 24728), (11240, 18007), (12364, 16370), (13096, 15455)]