201367960

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{463}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 463034880

約数和(自身を除く): 261666920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 131, 166, 262, 332, 415, 463, 524, 655, 664, 830, 926, 1048, 1310, 1660, 1852, 2315, 2620, 3320, 3704, 4630, 5240, 9260, 10873, 18520, 21746, 38429, 43492, 54365, 60653, 76858, 86984, 108730, 121306, 153716, 192145, 217460, 242612, 303265, 307432, 384290, 434920, 485224, 606530, 768580, 1213060, 1537160, 2426120, 5034199, 10068398, 20136796, 25170995, 40273592, 50341990, 100683980, 201367960]

約数ペア:

[(1, 201367960), (2, 100683980), (4, 50341990), (5, 40273592), (8, 25170995), (10, 20136796), (20, 10068398), (40, 5034199), (83, 2426120), (131, 1537160), (166, 1213060), (262, 768580), (332, 606530), (415, 485224), (463, 434920), (524, 384290), (655, 307432), (664, 303265), (830, 242612), (926, 217460), (1048, 192145), (1310, 153716), (1660, 121306), (1852, 108730), (2315, 86984), (2620, 76858), (3320, 60653), (3704, 54365), (4630, 43492), (5240, 38429), (9260, 21746), (10873, 18520)]