174999700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{331}}^1$

素因数の和:673

約数の個数: 72

約数和(自身を含む): 404599104

約数和(自身を除く): 229599404

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 311, 331, 340, 425, 622, 662, 850, 1244, 1324, 1555, 1655, 1700, 3110, 3310, 5287, 5627, 6220, 6620, 7775, 8275, 10574, 11254, 15550, 16550, 21148, 22508, 26435, 28135, 31100, 33100, 52870, 56270, 102941, 105740, 112540, 132175, 140675, 205882, 264350, 281350, 411764, 514705, 528700, 562700, 1029410, 1749997, 2058820, 2573525, 3499994, 5147050, 6999988, 8749985, 10294100, 17499970, 34999940, 43749925, 87499850, 174999700]

約数ペア:

[(1, 174999700), (2, 87499850), (4, 43749925), (5, 34999940), (10, 17499970), (17, 10294100), (20, 8749985), (25, 6999988), (34, 5147050), (50, 3499994), (68, 2573525), (85, 2058820), (100, 1749997), (170, 1029410), (311, 562700), (331, 528700), (340, 514705), (425, 411764), (622, 281350), (662, 264350), (850, 205882), (1244, 140675), (1324, 132175), (1555, 112540), (1655, 105740), (1700, 102941), (3110, 56270), (3310, 52870), (5287, 33100), (5627, 31100), (6220, 28135), (6620, 26435), (7775, 22508), (8275, 21148), (10574, 16550), (11254, 15550)]