39346780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 92504160

約数和(自身を除く): 53157380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 121, 142, 220, 229, 242, 284, 355, 458, 484, 605, 710, 781, 916, 1145, 1210, 1420, 1562, 2290, 2420, 2519, 3124, 3905, 4580, 5038, 7810, 8591, 10076, 12595, 15620, 16259, 17182, 25190, 27709, 32518, 34364, 42955, 50380, 55418, 65036, 81295, 85910, 110836, 138545, 162590, 171820, 178849, 277090, 325180, 357698, 554180, 715396, 894245, 1788490, 1967339, 3576980, 3934678, 7869356, 9836695, 19673390, 39346780]

約数ペア:

[(1, 39346780), (2, 19673390), (4, 9836695), (5, 7869356), (10, 3934678), (11, 3576980), (20, 1967339), (22, 1788490), (44, 894245), (55, 715396), (71, 554180), (110, 357698), (121, 325180), (142, 277090), (220, 178849), (229, 171820), (242, 162590), (284, 138545), (355, 110836), (458, 85910), (484, 81295), (605, 65036), (710, 55418), (781, 50380), (916, 42955), (1145, 34364), (1210, 32518), (1420, 27709), (1562, 25190), (2290, 17182), (2420, 16259), (2519, 15620), (3124, 12595), (3905, 10076), (4580, 8591), (5038, 7810)]