200322580

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 427464576

約数和(自身を除く): 227141996

約数列:

[1, 2, 4, 5, 10, 20, 131, 157, 262, 314, 487, 524, 628, 655, 785, 974, 1310, 1570, 1948, 2435, 2620, 3140, 4870, 9740, 20567, 41134, 63797, 76459, 82268, 102835, 127594, 152918, 205670, 255188, 305836, 318985, 382295, 411340, 637970, 764590, 1275940, 1529180, 10016129, 20032258, 40064516, 50080645, 100161290, 200322580]

約数ペア:

[(1, 200322580), (2, 100161290), (4, 50080645), (5, 40064516), (10, 20032258), (20, 10016129), (131, 1529180), (157, 1275940), (262, 764590), (314, 637970), (487, 411340), (524, 382295), (628, 318985), (655, 305836), (785, 255188), (974, 205670), (1310, 152918), (1570, 127594), (1948, 102835), (2435, 82268), (2620, 76459), (3140, 63797), (4870, 41134), (9740, 20567)]