208052249140

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{10987}}^1\times {\mathrm{5231}}^1$

素因数の和:16408

約数の個数: 48

約数和(自身を含む): 439447567104

約数和(自身を除く): 231395317964

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 5231, 10462, 10987, 20924, 21974, 26155, 43948, 52310, 54935, 104620, 109870, 219740, 946811, 1893622, 1988647, 3787244, 3977294, 4734055, 7954588, 9468110, 9943235, 18936220, 19886470, 39772940, 57472997, 114945994, 229891988, 287364985, 574729970, 1149459940, 10402612457, 20805224914, 41610449828, 52013062285, 104026124570, 208052249140]

約数ペア:

[(1, 208052249140), (2, 104026124570), (4, 52013062285), (5, 41610449828), (10, 20805224914), (20, 10402612457), (181, 1149459940), (362, 574729970), (724, 287364985), (905, 229891988), (1810, 114945994), (3620, 57472997), (5231, 39772940), (10462, 19886470), (10987, 18936220), (20924, 9943235), (21974, 9468110), (26155, 7954588), (43948, 4734055), (52310, 3977294), (54935, 3787244), (104620, 1988647), (109870, 1893622), (219740, 946811)]